252808077923 has 4 divisors (see below), whose sum is σ = 252809340888. Its totient is φ = 252806814960.

The previous prime is 252808077913. The next prime is 252808077937. The reversal of 252808077923 is 329770808252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252808077923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252808077913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257333 + ... + 756198.

It is an arithmetic number, because the mean of its divisors is an integer number (63202335222).

Almost surely, 2^252808077923 is an apocalyptic number.

252808077923 is a deficient number, since it is larger than the sum of its proper divisors (1262965).

252808077923 is a wasteful number, since it uses less digits than its factorization.

252808077923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262964.

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 252808077923 in words is "two hundred fifty-two billion, eight hundred eight million, seventy-seven thousand, nine hundred twenty-three".