23021200000 has 192 divisors, whose sum is σ = 58247834400. Its totient is φ = 9060480000.

The previous prime is 23021199989. The next prime is 23021200021. The reversal of 23021200000 is 212032.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a self number, because there is not a number n which added to its sum of digits gives 23021200000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26799571 + ... + 26800429.

Almost surely, 2^23021200000 is an apocalyptic number.

23021200000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23021200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29123917200).

23021200000 is an abundant number, since it is smaller than the sum of its proper divisors (35226634400).

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

23021200000 is an frugal number, since it uses more digits than its factorization.

23021200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965 (or 933 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 23021200000 its reverse (212032), we get a palindrome (23021412032).

The spelling of 23021200000 in words is "twenty-three billion, twenty-one million, two hundred thousand".