23137645740 has 48 divisors (see below), whose sum is σ = 70674992640. Its totient is φ = 5609126080.

The previous prime is 23137645703. The next prime is 23137645747. The reversal of 23137645740 is 4754673132.

It is a super-3 number, since 3×23137645740³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23137645692 and 23137645701.

It is not an unprimeable number, because it can be changed into a prime (23137645747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17527860 + ... + 17529179.

It is an arithmetic number, because the mean of its divisors is an integer number (1472395680).

Almost surely, 2^23137645740 is an apocalyptic number.

23137645740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23137645740 is an abundant number, since it is smaller than the sum of its proper divisors (47537346900).

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

23137645740 is a wasteful number, since it uses less digits than its factorization.

23137645740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35057062 (or 35057060 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

The spelling of 23137645740 in words is "twenty-three billion, one hundred thirty-seven million, six hundred forty-five thousand, seven hundred forty".