23432123220 has 96 divisors (see below), whose sum is σ = 72283349376. Its totient is φ = 5624256000.

The previous prime is 23432123219. The next prime is 23432123269. The reversal of 23432123220 is 2232123432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109099 + ... + 242418.

It is an arithmetic number, because the mean of its divisors is an integer number (752951556).

Almost surely, 2^23432123220 is an apocalyptic number.

23432123220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23432123220 is an abundant number, since it is smaller than the sum of its proper divisors (48851226156).

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

23432123220 is a wasteful number, since it uses less digits than its factorization.

23432123220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351641 (or 351639 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 23432123220 its reverse (2232123432), we get a palindrome (25664246652).

It can be divided in two parts, 2343212 and 3220, that added together give a palindrome (2346432).

The spelling of 23432123220 in words is "twenty-three billion, four hundred thirty-two million, one hundred twenty-three thousand, two hundred twenty".