523431357 has 8 divisors (see below), whose sum is σ = 699297984. Its totient is φ = 348259488.

The previous prime is 523431347. The next prime is 523431371. The reversal of 523431357 is 753134325.

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

It is not a de Polignac number, because 523431357 - 2²⁸ = 254995901 is a prime.

It is a super-2 number, since 2×523431357² = 547960770981722898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523431317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171928 + ... + 174945.

It is an arithmetic number, because the mean of its divisors is an integer number (87412248).

Almost surely, 2^523431357 is an apocalyptic number.

It is an amenable number.

523431357 is a deficient number, since it is larger than the sum of its proper divisors (175866627).

523431357 is a wasteful number, since it uses less digits than its factorization.

523431357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347379.

The product of its digits is 37800, while the sum is 33.

The square root of 523431357 is about 22878.6222705826. The cubic root of 523431357 is about 805.9100631956.

The spelling of 523431357 in words is "five hundred twenty-three million, four hundred thirty-one thousand, three hundred fifty-seven".