623154963 has 16 divisors (see below), whose sum is σ = 860742656. Its totient is φ = 400597920.

The previous prime is 623154947. The next prime is 623154997. The reversal of 623154963 is 369451326.

It is not a de Polignac number, because 623154963 - 2⁴ = 623154947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (623154263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14481 + ... + 38157.

It is an arithmetic number, because the mean of its divisors is an integer number (53796416).

Almost surely, 2^623154963 is an apocalyptic number.

623154963 is a deficient number, since it is larger than the sum of its proper divisors (237587693).

623154963 is a wasteful number, since it uses less digits than its factorization.

623154963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23994.

The product of its digits is 116640, while the sum is 39.

The square root of 623154963 is about 24963.0719864363. The cubic root of 623154963 is about 854.1458190600.

The spelling of 623154963 in words is "six hundred twenty-three million, one hundred fifty-four thousand, nine hundred sixty-three".