23987136994560 has 216 divisors, whose sum is σ = 86066811099360. Its totient is φ = 6396569782272.

The previous prime is 23987136994547. The next prime is 23987136994577. The reversal of 23987136994560 is 6549963178932.

23987136994560 is a `hidden beast` number, since 2 + 3 + 9 + 87 + 1 + 3 + 6 + 99 + 456 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38248530 + ... + 38870609.

It is a 1-persistent number, because it is pandigital, but 2⋅23987136994560 = 47974273989120 is not.

Almost surely, 2^{23987136994560} is an apocalyptic number.

23987136994560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23987136994560 is an abundant number, since it is smaller than the sum of its proper divisors (62079674104800).

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

23987136994560 is an frugal number, since it uses more digits than its factorization.

23987136994560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77119175 (or 77119149 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 23987136994560 in words is "twenty-three trillion, nine hundred eighty-seven billion, one hundred thirty-six million, nine hundred ninety-four thousand, five hundred sixty".