23564374728140 has 24 divisors (see below), whose sum is σ = 49614391088640. Its totient is φ = 9401139575168.

The previous prime is 23564374728137. The next prime is 23564374728179. The reversal of 23564374728140 is 4182747346532.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1538136905 + ... + 1538152224.

It is an arithmetic number, because the mean of its divisors is an integer number (2067266295360).

Almost surely, 2^{23564374728140} is an apocalyptic number.

23564374728140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23564374728140 is an abundant number, since it is smaller than the sum of its proper divisors (26050016360500).

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

23564374728140 is a wasteful number, since it uses less digits than its factorization.

23564374728140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3076289521 (or 3076289519 counting only the distinct ones).

The product of its (nonzero) digits is 27095040, while the sum is 56.

The spelling of 23564374728140 in words is "twenty-three trillion, five hundred sixty-four billion, three hundred seventy-four million, seven hundred twenty-eight thousand, one hundred forty".