23013210320 has 20 divisors (see below), whose sum is σ = 53505714180. Its totient is φ = 9205284096.

The previous prime is 23013210299. The next prime is 23013210373. The reversal of 23013210320 is 2301231032.

It can be written as a sum of positive squares in 2 ways, for example, as 9353210944 + 13659999376 = 96712^2 + 116876^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143832485 + ... + 143832644.

It is an arithmetic number, because the mean of its divisors is an integer number (2675285709).

Almost surely, 2^23013210320 is an apocalyptic number.

23013210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013210320 is an abundant number, since it is smaller than the sum of its proper divisors (30492503860).

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

23013210320 is a wasteful number, since it uses less digits than its factorization.

23013210320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287665142 (or 287665136 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 23013210320 its reverse (2301231032), we get a palindrome (25314441352).

The spelling of 23013210320 in words is "twenty-three billion, thirteen million, two hundred ten thousand, three hundred twenty".