23123230032 has 80 divisors (see below), whose sum is σ = 68285093760. Its totient is φ = 6605039616.

The previous prime is 23123229989. The next prime is 23123230049. The reversal of 23123230032 is 23003232132.

It is a super-2 number, since 2×23123230032² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 23123229990 and 23123230008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573644 + ... + 2582612.

It is an arithmetic number, because the mean of its divisors is an integer number (853563672).

Almost surely, 2^23123230032 is an apocalyptic number.

It is an amenable number.

23123230032 is an abundant number, since it is smaller than the sum of its proper divisors (45161863728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23123230032 is a wasteful number, since it uses less digits than its factorization.

23123230032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16660 (or 16654 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 23123230032 its reverse (23003232132), we get a palindrome (46126462164).

The spelling of 23123230032 in words is "twenty-three billion, one hundred twenty-three million, two hundred thirty thousand, thirty-two".