23013001320 has 64 divisors (see below), whose sum is σ = 73100128320. Its totient is φ = 5775811584.

The previous prime is 23013001247. The next prime is 23013001321. The reversal of 23013001320 is 2310031032.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 23013001320.

It is not an unprimeable number, because it can be changed into a prime (23013001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5638402 + ... + 5642481.

It is an arithmetic number, because the mean of its divisors is an integer number (1142189505).

Almost surely, 2^23013001320 is an apocalyptic number.

23013001320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23013001320 is an abundant number, since it is smaller than the sum of its proper divisors (50087127000).

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

23013001320 is a wasteful number, since it uses less digits than its factorization.

23013001320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280914 (or 11280910 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 23013001320 its reverse (2310031032), we get a palindrome (25323032352).

The spelling of 23013001320 in words is "twenty-three billion, thirteen million, one thousand, three hundred twenty".