23398817886730 has 64 divisors (see below), whose sum is σ = 49485258160128. Its totient is φ = 7853494440960.

The previous prime is 23398817886667. The next prime is 23398817886757. The reversal of 23398817886730 is 3768871889332.

It is a super-2 number, since 2×23398817886730² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16646167 + ... + 17997013.

It is an arithmetic number, because the mean of its divisors is an integer number (773207158752).

Almost surely, 2^{23398817886730} is an apocalyptic number.

23398817886730 is an abundant number, since it is smaller than the sum of its proper divisors (26086440273398).

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

23398817886730 is a wasteful number, since it uses less digits than its factorization.

23398817886730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362991.

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 23398817886730 in words is "twenty-three trillion, three hundred ninety-eight billion, eight hundred seventeen million, eight hundred eighty-six thousand, seven hundred thirty".