23320421312 has 14 divisors (see below), whose sum is σ = 46276461168. Its totient is φ = 11660210624.

The previous prime is 23320421287. The next prime is 23320421317. The reversal of 23320421312 is 21312402332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23320421317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182190728 + ... + 182190855.

It is an arithmetic number, because the mean of its divisors is an integer number (3305461512).

Almost surely, 2^23320421312 is an apocalyptic number.

It is an amenable number.

23320421312 is a deficient number, since it is larger than the sum of its proper divisors (22956039856).

23320421312 is an equidigital number, since it uses as much as digits as its factorization.

23320421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364381595 (or 364381585 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 23320421312 its reverse (21312402332), we get a palindrome (44632823644).

The spelling of 23320421312 in words is "twenty-three billion, three hundred twenty million, four hundred twenty-one thousand, three hundred twelve".