523764431 has 6 divisors (see below), whose sum is σ = 552782232. Its totient is φ = 496197540.

The previous prime is 523764413. The next prime is 523764433. The reversal of 523764431 is 134467325.

It is not a de Polignac number, because 523764431 - 2¹⁰ = 523763407 is a prime.

It is a super-2 number, since 2×523764431² = 548658358361507522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523764391 and 523764400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523764433) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 725075 + ... + 725796.

It is an arithmetic number, because the mean of its divisors is an integer number (92130372).

Almost surely, 2^523764431 is an apocalyptic number.

523764431 is a deficient number, since it is larger than the sum of its proper divisors (29017801).

523764431 is a wasteful number, since it uses less digits than its factorization.

523764431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450909 (or 1450890 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 523764431 is about 22885.9002663212. The cubic root of 523764431 is about 806.0809679818.

The spelling of 523764431 in words is "five hundred twenty-three million, seven hundred sixty-four thousand, four hundred thirty-one".