623231164879 has 4 divisors (see below), whose sum is σ = 638431925040. Its totient is φ = 608030404720.

The previous prime is 623231164861. The next prime is 623231164949. The reversal of 623231164879 is 978461132326.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-623231164879 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 (623232164879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7600380019 + ... + 7600380100.

It is an arithmetic number, because the mean of its divisors is an integer number (159607981260).

Almost surely, 2^623231164879 is an apocalyptic number.

623231164879 is a deficient number, since it is larger than the sum of its proper divisors (15200760161).

623231164879 is a wasteful number, since it uses less digits than its factorization.

623231164879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15200760160.

The product of its digits is 2612736, while the sum is 52.

The spelling of 623231164879 in words is "six hundred twenty-three billion, two hundred thirty-one million, one hundred sixty-four thousand, eight hundred seventy-nine".