253023223563 has 12 divisors (see below), whose sum is σ = 398703261528. Its totient is φ = 153347408160.

The previous prime is 253023223549. The next prime is 253023223603. The reversal of 253023223563 is 365322320352.

253023223563 is a `hidden beast` number, since 2 + 53 + 0 + 23 + 2 + 23 + 563 = 666.

It is not a de Polignac number, because 253023223563 - 2⁶ = 253023223499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253023223163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1277894970 + ... + 1277895167.

It is an arithmetic number, because the mean of its divisors is an integer number (33225271794).

Almost surely, 2^253023223563 is an apocalyptic number.

253023223563 is a deficient number, since it is larger than the sum of its proper divisors (145680037965).

253023223563 is a wasteful number, since it uses less digits than its factorization.

253023223563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555790154 (or 2555790151 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 36.

The spelling of 253023223563 in words is "two hundred fifty-three billion, twenty-three million, two hundred twenty-three thousand, five hundred sixty-three".