23938445821940 has 48 divisors (see below), whose sum is σ = 55884093888000. Its totient is φ = 8553687834240.

The previous prime is 23938445821919. The next prime is 23938445822051. The reversal of 23938445821940 is 4912854483932.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485007190 + ... + 1485023309.

It is an arithmetic number, because the mean of its divisors is an integer number (1164251956000).

Almost surely, 2^{23938445821940} is an apocalyptic number.

23938445821940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23938445821940 is an abundant number, since it is smaller than the sum of its proper divisors (31945648066060).

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

23938445821940 is a wasteful number, since it uses less digits than its factorization.

23938445821940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970030552 (or 2970030550 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 62.

The spelling of 23938445821940 in words is "twenty-three trillion, nine hundred thirty-eight billion, four hundred forty-five million, eight hundred twenty-one thousand, nine hundred forty".