123 (number)

February 2010 123 1, 3, 41, 123 123 (one hundred [and] twenty-three) is the natural number following 122 and preceding 124.Vanovschi Vitalii Properties of the number 123 http://www.numberempire.com:80/123 2026-10-12 www.numberempire.com en In mathematics 123 is a Lucas number.Erich Friedman https://erich-friedman.github.io/numbers.html What's Special About This Number? 2026-03-09 It is the eleventh member of the Mian–Chowla sequence.https://oeis.org/A005282 Mian-Chowla Sequence 2016-04-19 The On-Line Encyclopedia of Integer Sequences OEIS Foundation 2016-04-19 Along with 6, 123 is one of only two positive integers that is simultaneously two more than a perfect square and two less than a perfect cube (123 = 112 + 2 = 53 - 2).http://www.math.uconn.edu/~kconrad/blurbs/gradnumthy/mordelleqn1.pdf Examples of Mordell's Equation Conrad Keith University of Connecticut, Mathematics Department 2017-06-24 123 is an emirpimes since it is a semiprime, and its reversal (321) is also semiprime.Weisstein Eric W. Eric W. Weisstein Emirpimes https://mathworld.wolfram.com/Emirpimes.html 2026-10-12 mathworld.wolfram.com Wolfram Research, Inc. en In religion In numerology, the sequence of 123 is associated with progress and the Holy Trinity, so it may be referred to as the Trinity of Progress or Triad of Progress.Siegel Josh Hickey Dan 123 Angel Number: What Does It Mean? https://www.wikihow.com/123-Angel-Number wikiHow 2023-06-26 References 1 Category:Integers