2373323656 has 64 divisors (see below), whose sum is σ = 4980476160. Its totient is φ = 1051008000.

The previous prime is 2373323629. The next prime is 2373323681. The reversal of 2373323656 is 6563233732.

It is a happy number.

It is a super-2 number, since 2×2373323656² = 11265330352258412672, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 995586 + ... + 997966.

It is an arithmetic number, because the mean of its divisors is an integer number (77819940).

Almost surely, 2^2373323656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2373323656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2490238080).

2373323656 is an abundant number, since it is smaller than the sum of its proper divisors (2607152504).

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

2373323656 is a wasteful number, since it uses less digits than its factorization.

2373323656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686 (or 2682 counting only the distinct ones).

The product of its digits is 408240, while the sum is 40.

The square root of 2373323656 is about 48716.7697615513. The cubic root of 2373323656 is about 1333.8868445761.

The spelling of 2373323656 in words is "two billion, three hundred seventy-three million, three hundred twenty-three thousand, six hundred fifty-six".