23020991370 has 96 divisors (see below), whose sum is σ = 66846229632. Its totient is φ = 5666697792.

The previous prime is 23020991359. The next prime is 23020991401. The reversal of 23020991370 is 7319902032.

It is a super-2 number, since 2×23020991370² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 332782 + ... + 395961.

It is an arithmetic number, because the mean of its divisors is an integer number (696314892).

Almost surely, 2^23020991370 is an apocalyptic number.

23020991370 is an abundant number, since it is smaller than the sum of its proper divisors (43825238262).

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

23020991370 is a wasteful number, since it uses less digits than its factorization.

23020991370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728778 (or 728766 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 36.

The spelling of 23020991370 in words is "twenty-three billion, twenty million, nine hundred ninety-one thousand, three hundred seventy".