23212232320 has 64 divisors (see below), whose sum is σ = 55519030440. Its totient is φ = 9280327680.

The previous prime is 23212232261. The next prime is 23212232363. The reversal of 23212232320 is 2323221232.

It can be written as a sum of positive squares in 4 ways, for example, as 14244899904 + 8967332416 = 119352^2 + 94696^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 23212232291 and 23212232300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1490494 + ... + 1505986.

Almost surely, 2^23212232320 is an apocalyptic number.

23212232320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23212232320 is an abundant number, since it is smaller than the sum of its proper divisors (32306798120).

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

23212232320 is a wasteful number, since it uses less digits than its factorization.

23212232320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17853 (or 17841 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 23212232320 its reverse (2323221232), we get a palindrome (25535453552).

The spelling of 23212232320 in words is "twenty-three billion, two hundred twelve million, two hundred thirty-two thousand, three hundred twenty".