23012032120 has 64 divisors (see below), whose sum is σ = 64553241600. Its totient is φ = 7172580480.

The previous prime is 23012032051. The next prime is 23012032139. The reversal of 23012032120 is 2123021032.

It is a junction number, because it is equal to n+sod(n) for n = 23012032094 and 23012032103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3732640 + ... + 3738799.

It is an arithmetic number, because the mean of its divisors is an integer number (1008644400).

Almost surely, 2^23012032120 is an apocalyptic number.

23012032120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23012032120 is an abundant number, since it is smaller than the sum of its proper divisors (41541209480).

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

23012032120 is a wasteful number, since it uses less digits than its factorization.

23012032120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7471468 (or 7471464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23012032120 its reverse (2123021032), we get a palindrome (25135053152).

The spelling of 23012032120 in words is "twenty-three billion, twelve million, thirty-two thousand, one hundred twenty".