11573365023 has 32 divisors (see below), whose sum is σ = 19102417920. Its totient is φ = 6864914880.

The previous prime is 11573364973. The next prime is 11573365079. The reversal of 11573365023 is 32056337511.

11573365023 is a `hidden beast` number, since 1 + 1 + 573 + 3 + 65 + 0 + 23 = 666.

It is not a de Polignac number, because 11573365023 - 2⁸ = 11573364767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573365123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400590 + ... + 428507.

It is an arithmetic number, because the mean of its divisors is an integer number (596950560).

Almost surely, 2^11573365023 is an apocalyptic number.

11573365023 is a deficient number, since it is larger than the sum of its proper divisors (7529052897).

11573365023 is a wasteful number, since it uses less digits than its factorization.

11573365023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829164 (or 829158 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 11573365023 in words is "eleven billion, five hundred seventy-three million, three hundred sixty-five thousand, twenty-three".