523694963 has 16 divisors (see below), whose sum is σ = 592392960. Its totient is φ = 458589600.

The previous prime is 523694959. The next prime is 523694971. The reversal of 523694963 is 369496325.

It is a cyclic number.

It is not a de Polignac number, because 523694963 - 2² = 523694959 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523694903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153668 + ... + 157038.

It is an arithmetic number, because the mean of its divisors is an integer number (37024560).

Almost surely, 2^523694963 is an apocalyptic number.

523694963 is a deficient number, since it is larger than the sum of its proper divisors (68697997).

523694963 is a wasteful number, since it uses less digits than its factorization.

523694963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898.

The product of its digits is 1049760, while the sum is 47.

The square root of 523694963 is about 22884.3825129716. The cubic root of 523694963 is about 806.0453289902.

The spelling of 523694963 in words is "five hundred twenty-three million, six hundred ninety-four thousand, nine hundred sixty-three".