23873117400 has 144 divisors (see below), whose sum is σ = 87462493560. Its totient is φ = 5787417600.

The previous prime is 23873117371. The next prime is 23873117413. The reversal of 23873117400 is 471137832.

23873117400 is a `hidden beast` number, since 238 + 7 + 3 + 1 + 17 + 400 = 666.

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 35 ways as a sum of consecutive naturals, for example, 583057 + ... + 622656.

Almost surely, 2^23873117400 is an apocalyptic number.

23873117400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23873117400 is an abundant number, since it is smaller than the sum of its proper divisors (63589376160).

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

23873117400 is a wasteful number, since it uses less digits than its factorization.

23873117400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1205746 (or 1205734 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 23873117400 in words is "twenty-three billion, eight hundred seventy-three million, one hundred seventeen thousand, four hundred".