523115983 has 8 divisors (see below), whose sum is σ = 563571008. Its totient is φ = 482691744.

The previous prime is 523115963. The next prime is 523115987. The reversal of 523115983 is 389511325.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 523115983 - 2⁵ = 523115951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523115987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37441 + ... + 49477.

It is an arithmetic number, because the mean of its divisors is an integer number (70446376).

Almost surely, 2^523115983 is an apocalyptic number.

523115983 is a deficient number, since it is larger than the sum of its proper divisors (40455025).

523115983 is a wasteful number, since it uses less digits than its factorization.

523115983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15393.

The product of its digits is 32400, while the sum is 37.

The square root of 523115983 is about 22871.7289027305. The cubic root of 523115983 is about 805.7481736823.

The spelling of 523115983 in words is "five hundred twenty-three million, one hundred fifteen thousand, nine hundred eighty-three".