623332636 has 12 divisors (see below), whose sum is σ = 1120314328. Its totient is φ = 303242832.

The previous prime is 623332631. The next prime is 623332649. The reversal of 623332636 is 636233326.

It is a hoax number, since the sum of its digits (34) 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 (623332631) 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, 2105706 + ... + 2106001.

Almost surely, 2^623332636 is an apocalyptic number.

It is an amenable number.

623332636 is a deficient number, since it is larger than the sum of its proper divisors (496981692).

623332636 is a wasteful number, since it uses less digits than its factorization.

623332636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211748 (or 4211746 counting only the distinct ones).

The product of its digits is 69984, while the sum is 34.

The square root of 623332636 is about 24966.6304494619. The cubic root of 623332636 is about 854.2269889339.

The spelling of 623332636 in words is "six hundred twenty-three million, three hundred thirty-two thousand, six hundred thirty-six".