523535431 has 8 divisors (see below), whose sum is σ = 533756304. Its totient is φ = 513327360.

The previous prime is 523535429. The next prime is 523535447. The reversal of 523535431 is 134535325.

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 523535431 - 2¹ = 523535429 is a prime.

It is a super-2 number, since 2×523535431² = 548178695024711522, 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 = 523535393 and 523535402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523535461) 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, 142935 + ... + 146551.

It is an arithmetic number, because the mean of its divisors is an integer number (66719538).

Almost surely, 2^523535431 is an apocalyptic number.

523535431 is a deficient number, since it is larger than the sum of its proper divisors (10220873).

523535431 is a wasteful number, since it uses less digits than its factorization.

523535431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its digits is 27000, while the sum is 31.

The square root of 523535431 is about 22880.8966388994. The cubic root of 523535431 is about 805.9634727621.

The spelling of 523535431 in words is "five hundred twenty-three million, five hundred thirty-five thousand, four hundred thirty-one".