123524452031 has 4 divisors (see below), whose sum is σ = 130025739000. Its totient is φ = 117023165064.

The previous prime is 123524452003. The next prime is 123524452049. The reversal of 123524452031 is 130254425321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130254425321 = 283 ⋅460262987.

It is a cyclic number.

It is not a de Polignac number, because 123524452031 - 2²⁶ = 123457343167 is a prime.

It is a super-2 number, since 2×123524452031² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123524452001) 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, 3250643456 + ... + 3250643493.

It is an arithmetic number, because the mean of its divisors is an integer number (32506434750).

Almost surely, 2^123524452031 is an apocalyptic number.

123524452031 is a deficient number, since it is larger than the sum of its proper divisors (6501286969).

123524452031 is an equidigital number, since it uses as much as digits as its factorization.

123524452031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501286968.

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 123524452031 its reverse (130254425321), we get a palindrome (253778877352).

The spelling of 123524452031 in words is "one hundred twenty-three billion, five hundred twenty-four million, four hundred fifty-two thousand, thirty-one".