202452136623 has 12 divisors (see below), whose sum is σ = 319015488168. Its totient is φ = 122698264560.

The previous prime is 202452136583. The next prime is 202452136703. The reversal of 202452136623 is 326631254202.

202452136623 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 5 + 21 + 3 + 6 + 623 = 666.

It is not a de Polignac number, because 202452136623 - 2¹⁸ = 202451874479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202452136823) 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, 1022485440 + ... + 1022485637.

It is an arithmetic number, because the mean of its divisors is an integer number (26584624014).

Almost surely, 2^202452136623 is an apocalyptic number.

202452136623 is a deficient number, since it is larger than the sum of its proper divisors (116563351545).

202452136623 is a wasteful number, since it uses less digits than its factorization.

202452136623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044971094 (or 2044971091 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 202452136623 in words is "two hundred two billion, four hundred fifty-two million, one hundred thirty-six thousand, six hundred twenty-three".