23743394040 has 64 divisors (see below), whose sum is σ = 74327155200. Its totient is φ = 6056285312.

The previous prime is 23743393997. The next prime is 23743394041. The reversal of 23743394040 is 4049334732.

It is a self number, because there is not a number n which added to its sum of digits gives 23743394040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23743394041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4298580 + ... + 4304099.

It is an arithmetic number, because the mean of its divisors is an integer number (1161361800).

Almost surely, 2^23743394040 is an apocalyptic number.

23743394040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23743394040 is an abundant number, since it is smaller than the sum of its proper divisors (50583761160).

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

23743394040 is a wasteful number, since it uses less digits than its factorization.

23743394040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8602716 (or 8602712 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 23743394040 in words is "twenty-three billion, seven hundred forty-three million, three hundred ninety-four thousand, forty".