23215204000 has 96 divisors (see below), whose sum is σ = 57628758096. Its totient is φ = 9190195200.

The previous prime is 23215203997. The next prime is 23215204003. The reversal of 23215204000 is 40251232.

It is an interprime number because it is at equal distance from previous prime (23215203997) and next prime (23215204003).

It can be written as a sum of positive squares in 8 ways, for example, as 4075034896 + 19140169104 = 63836^2 + 138348^2 .

It is not an unprimeable number, because it can be changed into a prime (23215204003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358084 + ... + 417916.

Almost surely, 2^23215204000 is an apocalyptic number.

23215204000 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 23215204000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28814379048).

23215204000 is an abundant number, since it is smaller than the sum of its proper divisors (34413554096).

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

23215204000 is an equidigital number, since it uses as much as digits as its factorization.

23215204000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59955 (or 59937 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 23215204000 its reverse (40251232), we get a palindrome (23255455232).

The spelling of 23215204000 in words is "twenty-three billion, two hundred fifteen million, two hundred four thousand".