23001397776 has 60 divisors (see below), whose sum is σ = 73567965952. Its totient is φ = 6571827648.

The previous prime is 23001397717. The next prime is 23001397781. The reversal of 23001397776 is 67779310032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11408416 + ... + 11410431.

Almost surely, 2^23001397776 is an apocalyptic number.

It is an amenable number.

23001397776 is an abundant number, since it is smaller than the sum of its proper divisors (50566568176).

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

23001397776 is a wasteful number, since it uses less digits than its factorization.

23001397776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22818868 (or 22818859 counting only the distinct ones).

The product of its (nonzero) digits is 333396, while the sum is 45.

The spelling of 23001397776 in words is "twenty-three billion, one million, three hundred ninety-seven thousand, seven hundred seventy-six".