124131323 has 4 divisors (see below), whose sum is σ = 125360448. Its totient is φ = 122902200.

The previous prime is 124131311. The next prime is 124131341. The reversal of 124131323 is 323131421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323131421 = 101 ⋅3199321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124131323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124131295 and 124131304.

It is not an unprimeable number, because it can be changed into a prime (124131383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614411 + ... + 614612.

It is an arithmetic number, because the mean of its divisors is an integer number (31340112).

Almost surely, 2^124131323 is an apocalyptic number.

124131323 is a deficient number, since it is larger than the sum of its proper divisors (1229125).

124131323 is a wasteful number, since it uses less digits than its factorization.

124131323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229124.

The product of its digits is 432, while the sum is 20.

The square root of 124131323 is about 11141.4237420538. The cubic root of 124131323 is about 498.8390705719.

Adding to 124131323 its reverse (323131421), we get a palindrome (447262744).

The spelling of 124131323 in words is "one hundred twenty-four million, one hundred thirty-one thousand, three hundred twenty-three".