23021035400 has 48 divisors (see below), whose sum is σ = 58389722640. Its totient is φ = 8371284800.

The previous prime is 23021035399. The next prime is 23021035423. The reversal of 23021035400 is 453012032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 5229854 + ... + 5234253.

It is an arithmetic number, because the mean of its divisors is an integer number (1216452555).

Almost surely, 2^23021035400 is an apocalyptic number.

23021035400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23021035400 is an abundant number, since it is smaller than the sum of its proper divisors (35368687240).

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

23021035400 is a wasteful number, since it uses less digits than its factorization.

23021035400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10464134 (or 10464125 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 23021035400 its reverse (453012032), we get a palindrome (23474047432).

The spelling of 23021035400 in words is "twenty-three billion, twenty-one million, thirty-five thousand, four hundred".