23201789400 has 72 divisors (see below), whose sum is σ = 77919348780. Its totient is φ = 6187143360.

The previous prime is 23201789339. The next prime is 23201789411. The reversal of 23201789400 is 498710232.

23201789400 is a `hidden beast` number, since 232 + 0 + 17 + 8 + 9 + 400 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6443142 + ... + 6446741.

Almost surely, 2^23201789400 is an apocalyptic number.

23201789400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23201789400 is an abundant number, since it is smaller than the sum of its proper divisors (54717559380).

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

23201789400 is a wasteful number, since it uses less digits than its factorization.

23201789400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889905 (or 12889893 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 23201789400 in words is "twenty-three billion, two hundred one million, seven hundred eighty-nine thousand, four hundred".