23420501123 has 12 divisors (see below), whose sum is σ = 24574305120. Its totient is φ = 22294266960.

The previous prime is 23420501077. The next prime is 23420501149. The reversal of 23420501123 is 32110502432.

It is not a de Polignac number, because 23420501123 - 2¹² = 23420497027 is a prime.

It is a super-2 number, since 2×23420501123² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420500123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66086 + ... + 226292.

It is an arithmetic number, because the mean of its divisors is an integer number (2047858760).

Almost surely, 2^23420501123 is an apocalyptic number.

23420501123 is a deficient number, since it is larger than the sum of its proper divisors (1153803997).

23420501123 is an equidigital number, since it uses as much as digits as its factorization.

23420501123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160378 (or 160307 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 23420501123 in words is "twenty-three billion, four hundred twenty million, five hundred one thousand, one hundred twenty-three".