623212302064 has 40 divisors (see below), whose sum is σ = 1325131936128. Its totient is φ = 281582028480.

The previous prime is 623212302061. The next prime is 623212302071. The reversal of 623212302064 is 460203212326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623212302061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10572342 + ... + 10631125.

Almost surely, 2^623212302064 is an apocalyptic number.

It is an amenable number.

623212302064 is an abundant number, since it is smaller than the sum of its proper divisors (701919634064).

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

623212302064 is a wasteful number, since it uses less digits than its factorization.

623212302064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21203653 (or 21203647 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

The spelling of 623212302064 in words is "six hundred twenty-three billion, two hundred twelve million, three hundred two thousand, sixty-four".