23720357740858 has 16 divisors (see below), whose sum is σ = 35761839046560. Its totient is φ = 11799747050896.

The previous prime is 23720357740669. The next prime is 23720357740879. The reversal of 23720357740858 is 85804775302732.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23720357740796 and 23720357740805.

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, 20849133 + ... + 21957391.

It is an arithmetic number, because the mean of its divisors is an integer number (2235114940410).

Almost surely, 2^{23720357740858} is an apocalyptic number.

23720357740858 is a deficient number, since it is larger than the sum of its proper divisors (12041481305702).

23720357740858 is a wasteful number, since it uses less digits than its factorization.

23720357740858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162781.

The product of its (nonzero) digits is 79027200, while the sum is 61.

The spelling of 23720357740858 in words is "twenty-three trillion, seven hundred twenty billion, three hundred fifty-seven million, seven hundred forty thousand, eight hundred fifty-eight".