623353064664 has 64 divisors (see below), whose sum is σ = 1700893152000. Its totient is φ = 188801608320.

The previous prime is 623353064623. The next prime is 623353064669. The reversal of 623353064664 is 466460353326.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623353064669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46204 + ... + 1117515.

It is an arithmetic number, because the mean of its divisors is an integer number (26576455500).

Almost surely, 2^623353064664 is an apocalyptic number.

It is an amenable number.

623353064664 is an abundant number, since it is smaller than the sum of its proper divisors (1077540087336).

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

623353064664 is a wasteful number, since it uses less digits than its factorization.

623353064664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165768 (or 1165764 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 48.

The spelling of 623353064664 in words is "six hundred twenty-three billion, three hundred fifty-three million, sixty-four thousand, six hundred sixty-four".