523898947 has 16 divisors (see below), whose sum is σ = 632130912. Its totient is φ = 427749120.

The previous prime is 523898941. The next prime is 523898953. The reversal of 523898947 is 749898325.

It is an interprime number because it is at equal distance from previous prime (523898941) and next prime (523898953).

It is a cyclic number.

It is not a de Polignac number, because 523898947 - 2¹⁹ = 523374659 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 (523898941) by changing a digit.

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, 44218 + ... + 54799.

It is an arithmetic number, because the mean of its divisors is an integer number (39508182).

Almost surely, 2^523898947 is an apocalyptic number.

523898947 is a deficient number, since it is larger than the sum of its proper divisors (108231965).

523898947 is a wasteful number, since it uses less digits than its factorization.

523898947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99078.

The product of its digits is 4354560, while the sum is 55.

The square root of 523898947 is about 22888.8389176909. The cubic root of 523898947 is about 806.1499694259.

The spelling of 523898947 in words is "five hundred twenty-three million, eight hundred ninety-eight thousand, nine hundred forty-seven".