623752013963 has 24 divisors (see below), whose sum is σ = 744595903968. Its totient is φ = 518341165056.

The previous prime is 623752013939. The next prime is 623752013993. The reversal of 623752013963 is 369310257326.

It is a happy number.

It is not a de Polignac number, because 623752013963 - 2¹⁶ = 623751948427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623752013903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3522806 + ... + 3695627.

It is an arithmetic number, because the mean of its divisors is an integer number (31024829332).

Almost surely, 2^623752013963 is an apocalyptic number.

623752013963 is a deficient number, since it is larger than the sum of its proper divisors (120843890005).

623752013963 is a wasteful number, since it uses less digits than its factorization.

623752013963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7218503 (or 7218486 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 47.

The spelling of 623752013963 in words is "six hundred twenty-three billion, seven hundred fifty-two million, thirteen thousand, nine hundred sixty-three".