623563612023 has 32 divisors (see below), whose sum is σ = 913582080000. Its totient is φ = 375183439200.

The previous prime is 623563612019. The next prime is 623563612033. The reversal of 623563612023 is 320216365326.

It is not a de Polignac number, because 623563612023 - 2² = 623563612019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623563612013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3046068 + ... + 3244326.

It is an arithmetic number, because the mean of its divisors is an integer number (28549440000).

Almost surely, 2^623563612023 is an apocalyptic number.

623563612023 is a deficient number, since it is larger than the sum of its proper divisors (290018467977).

623563612023 is a wasteful number, since it uses less digits than its factorization.

623563612023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198963.

The product of its (nonzero) digits is 233280, while the sum is 39.

Adding to 623563612023 its reverse (320216365326), we get a palindrome (943779977349).

The spelling of 623563612023 in words is "six hundred twenty-three billion, five hundred sixty-three million, six hundred twelve thousand, twenty-three".