23437757100040 has 128 divisors (see below), whose sum is σ = 58829708246400. Its totient is φ = 8351557816320.

The previous prime is 23437757100019. The next prime is 23437757100113. The reversal of 23437757100040 is 4000175773432.

It is a self number, because there is not a number n which added to its sum of digits gives 23437757100040.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13264342 + ... + 14927098.

It is an arithmetic number, because the mean of its divisors is an integer number (459607095675).

Almost surely, 2^{23437757100040} is an apocalyptic number.

23437757100040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23437757100040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29414854123200).

23437757100040 is an abundant number, since it is smaller than the sum of its proper divisors (35391951146360).

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

23437757100040 is a wasteful number, since it uses less digits than its factorization.

23437757100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1663895 (or 1663891 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 43.

The spelling of 23437757100040 in words is "twenty-three trillion, four hundred thirty-seven billion, seven hundred fifty-seven million, one hundred thousand, forty".