23320977408 has 112 divisors (see below), whose sum is σ = 69095630160. Its totient is φ = 7773585408.

The previous prime is 23320977343. The next prime is 23320977431. The reversal of 23320977408 is 80477902332.

23320977408 is a `hidden beast` number, since 2 + 33 + 209 + 7 + 7 + 408 = 666.

It is a congruent number.

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, 168466 + ... + 273902.

Almost surely, 2^23320977408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23320977408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34547815080).

23320977408 is an abundant number, since it is smaller than the sum of its proper divisors (45774652752).

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

23320977408 is an equidigital number, since it uses as much as digits as its factorization.

23320977408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105472 (or 105442 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 23320977408 in words is "twenty-three billion, three hundred twenty million, nine hundred seventy-seven thousand, four hundred eight".