123001352550031 has 4 divisors (see below), whose sum is σ = 123458606649000. Its totient is φ = 122544098451064.

The previous prime is 123001352549993. The next prime is 123001352550067. The reversal of 123001352550031 is 130055253100321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 123001352550031 - 2²⁷ = 123001218332303 is a prime.

It is a super-2 number, since 2×123001352550031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123001352549975 and 123001352550002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123001352550091) 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, 228627049081 + ... + 228627049618.

It is an arithmetic number, because the mean of its divisors is an integer number (30864651662250).

Almost surely, 2^{123001352550031} is an apocalyptic number.

123001352550031 is a deficient number, since it is larger than the sum of its proper divisors (457254098969).

123001352550031 is an equidigital number, since it uses as much as digits as its factorization.

123001352550031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457254098968.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 123001352550031 in words is "one hundred twenty-three trillion, one billion, three hundred fifty-two million, five hundred fifty thousand, thirty-one".