623064959 has 16 divisors (see below), whose sum is σ = 696387456. Its totient is φ = 552684000.

The previous prime is 623064907. The next prime is 623064991. The reversal of 623064959 is 959460326.

It is not a de Polignac number, because 623064959 - 2²⁴ = 606287743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623060959) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74909 + ... + 82809.

It is an arithmetic number, because the mean of its divisors is an integer number (43524216).

Almost surely, 2^623064959 is an apocalyptic number.

623064959 is a deficient number, since it is larger than the sum of its proper divisors (73322497).

623064959 is a wasteful number, since it uses less digits than its factorization.

623064959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8086.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 623064959 is about 24961.2691784693. The cubic root of 623064959 is about 854.1046948633.

The spelling of 623064959 in words is "six hundred twenty-three million, sixty-four thousand, nine hundred fifty-nine".