23003232120 has 160 divisors (see below), whose sum is σ = 84345315120. Its totient is φ = 5576532480.

The previous prime is 23003232097. The next prime is 23003232127. The reversal of 23003232120 is 2123230032.

It is a happy number.

23003232120 is a `hidden beast` number, since 2 + 300 + 323 + 21 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23003232093 and 23003232102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23003232127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 287077 + ... + 358356.

Almost surely, 2^23003232120 is an apocalyptic number.

23003232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23003232120 is an abundant number, since it is smaller than the sum of its proper divisors (61342083000).

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

23003232120 is a wasteful number, since it uses less digits than its factorization.

23003232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645467 (or 645454 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 23003232120 its reverse (2123230032), we get a palindrome (25126462152).

The spelling of 23003232120 in words is "twenty-three billion, three million, two hundred thirty-two thousand, one hundred twenty".