623351304676 has 81 divisors (see below), whose sum is σ = 1170508943331. Its totient is φ = 290425560048.

The previous prime is 623351304661. The next prime is 623351304701. The reversal of 623351304676 is 676403153326.

It is a happy number.

The square root of 623351304676 is 789526.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2370156921 + ... + 2370157183.

Almost surely, 2^623351304676 is an apocalyptic number.

623351304676 is the 789526-th square number.

It is an amenable number.

623351304676 is a deficient number, since it is larger than the sum of its proper divisors (547157638655).

623351304676 is an equidigital number, since it uses as much as digits as its factorization.

623351304676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 46.

The spelling of 623351304676 in words is "six hundred twenty-three billion, three hundred fifty-one million, three hundred four thousand, six hundred seventy-six".