23728537400 has 48 divisors (see below), whose sum is σ = 56103942600. Its totient is φ = 9330538880.

The previous prime is 23728537381. The next prime is 23728537403. The reversal of 23728537400 is 473582732.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23728537403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 993647 + ... + 1017246.

Almost surely, 2^23728537400 is an apocalyptic number.

23728537400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23728537400 is an abundant number, since it is smaller than the sum of its proper divisors (32375405200).

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

23728537400 is a wasteful number, since it uses less digits than its factorization.

23728537400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010968 (or 2010959 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 41.

The spelling of 23728537400 in words is "twenty-three billion, seven hundred twenty-eight million, five hundred thirty-seven thousand, four hundred".