23223687400 has 144 divisors (see below), whose sum is σ = 56224660320. Its totient is φ = 8918976000.

The previous prime is 23223687373. The next prime is 23223687427. The reversal of 23223687400 is 478632232.

It is an interprime number because it is at equal distance from previous prime (23223687373) and next prime (23223687427).

It is a self number, because there is not a number n which added to its sum of digits gives 23223687400.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 22524885 + ... + 22525915.

It is an arithmetic number, because the mean of its divisors is an integer number (390449030).

Almost surely, 2^23223687400 is an apocalyptic number.

23223687400 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 23223687400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28112330160).

23223687400 is an abundant number, since it is smaller than the sum of its proper divisors (33000972920).

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

23223687400 is a wasteful number, since it uses less digits than its factorization.

23223687400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 23223687400 in words is "twenty-three billion, two hundred twenty-three million, six hundred eighty-seven thousand, four hundred".