523419968 has 14 divisors (see below), whose sum is σ = 1038661626. Its totient is φ = 261709952.

The previous prime is 523419943. The next prime is 523419973. The reversal of 523419968 is 869914325.

It can be written as a sum of positive squares in only one way, i.e., 275294464 + 248125504 = 16592^2 + 15752^2 .

It is a super-2 number, since 2×523419968² = 547936925802242048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4089155 + ... + 4089282.

Almost surely, 2^523419968 is an apocalyptic number.

It is an amenable number.

523419968 is a deficient number, since it is larger than the sum of its proper divisors (515241658).

523419968 is an equidigital number, since it uses as much as digits as its factorization.

523419968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178449 (or 8178439 counting only the distinct ones).

The product of its digits is 466560, while the sum is 47.

The square root of 523419968 is about 22878.3733687515. The cubic root of 523419968 is about 805.9042180635.

The spelling of 523419968 in words is "five hundred twenty-three million, four hundred nineteen thousand, nine hundred sixty-eight".