623345164365 has 96 divisors (see below), whose sum is σ = 1266299049600. Its totient is φ = 258921062400.

The previous prime is 623345164307. The next prime is 623345164367. The reversal of 623345164365 is 563461543326.

It is not a de Polignac number, because 623345164365 - 2¹⁷ = 623345033293 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623345164367) 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 95 ways as a sum of consecutive naturals, for example, 16806361 + ... + 16843409.

It is an arithmetic number, because the mean of its divisors is an integer number (13190615100).

Almost surely, 2^623345164365 is an apocalyptic number.

It is an amenable number.

623345164365 is an abundant number, since it is smaller than the sum of its proper divisors (642953885235).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623345164365 is a wasteful number, since it uses less digits than its factorization.

623345164365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39163 (or 39156 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 48.

The spelling of 623345164365 in words is "six hundred twenty-three billion, three hundred forty-five million, one hundred sixty-four thousand, three hundred sixty-five".