623662136 has 16 divisors (see below), whose sum is σ = 1238153040. Its totient is φ = 293488000.

The previous prime is 623662057. The next prime is 623662147. The reversal of 623662136 is 631266326.

It is a junction number, because it is equal to n+sod(n) for n = 623662096 and 623662105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292740 + ... + 2293011.

It is an arithmetic number, because the mean of its divisors is an integer number (77384565).

Almost surely, 2^623662136 is an apocalyptic number.

It is an amenable number.

623662136 is a deficient number, since it is larger than the sum of its proper divisors (614490904).

623662136 is a wasteful number, since it uses less digits than its factorization.

623662136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585774 (or 4585770 counting only the distinct ones).

The product of its digits is 46656, while the sum is 35.

The square root of 623662136 is about 24973.2283856133. The cubic root of 623662136 is about 854.3774801246.

The spelling of 623662136 in words is "six hundred twenty-three million, six hundred sixty-two thousand, one hundred thirty-six".