23021310400 has 84 divisors (see below), whose sum is σ = 61796569320. Its totient is φ = 8371379200.

The previous prime is 23021310343. The next prime is 23021310413. The reversal of 23021310400 is 401312032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 636415 + ... + 671614.

Almost surely, 2^23021310400 is an apocalyptic number.

23021310400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021310400 is an abundant number, since it is smaller than the sum of its proper divisors (38775258920).

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

23021310400 is a wasteful number, since it uses less digits than its factorization.

23021310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308062 (or 1308047 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 23021310400 its reverse (401312032), we get a palindrome (23422622432).

The spelling of 23021310400 in words is "twenty-three billion, twenty-one million, three hundred ten thousand, four hundred".