623309397696 has 112 divisors (see below), whose sum is σ = 1940203363680. Its totient is φ = 195548037120.

The previous prime is 623309397647. The next prime is 623309397707. The reversal of 623309397696 is 696793903326.

623309397696 is a `hidden beast` number, since 6 + 233 + 0 + 9 + 397 + 6 + 9 + 6 = 666.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 10579785 + ... + 10638536.

Almost surely, 2^623309397696 is an apocalyptic number.

It is an amenable number.

623309397696 is an abundant number, since it is smaller than the sum of its proper divisors (1316893965984).

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

623309397696 is a wasteful number, since it uses less digits than its factorization.

623309397696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21218359 (or 21218343 counting only the distinct ones).

The product of its (nonzero) digits is 59521392, while the sum is 63.

The spelling of 623309397696 in words is "six hundred twenty-three billion, three hundred nine million, three hundred ninety-seven thousand, six hundred ninety-six".