523131007 has 12 divisors (see below), whose sum is σ = 612193680. Its totient is φ = 445706016.

The previous prime is 523130999. The next prime is 523131043. The reversal of 523131007 is 700131325.

It is not a de Polignac number, because 523131007 - 2³ = 523130999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523131097) 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 11 ways as a sum of consecutive naturals, for example, 23782 + ... + 40147.

It is an arithmetic number, because the mean of its divisors is an integer number (51016140).

Almost surely, 2^523131007 is an apocalyptic number.

523131007 is a deficient number, since it is larger than the sum of its proper divisors (89062673).

523131007 is a wasteful number, since it uses less digits than its factorization.

523131007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64110 (or 64103 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 523131007 is about 22872.0573407816. The cubic root of 523131007 is about 805.7558873603.

The spelling of 523131007 in words is "five hundred twenty-three million, one hundred thirty-one thousand, seven".