523036431 has 12 divisors (see below), whose sum is σ = 781549080. Its totient is φ = 336666960.

The previous prime is 523036421. The next prime is 523036447. The reversal of 523036431 is 134630325.

It is a happy number.

It is not a de Polignac number, because 523036431 - 2¹⁹ = 522512143 is a prime.

It is a super-2 number, since 2×523036431² = 547134216306435522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 523036395 and 523036404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523036411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1001725 + ... + 1002246.

It is an arithmetic number, because the mean of its divisors is an integer number (65129090).

Almost surely, 2^523036431 is an apocalyptic number.

523036431 is a deficient number, since it is larger than the sum of its proper divisors (258512649).

523036431 is a wasteful number, since it uses less digits than its factorization.

523036431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004006 (or 2004003 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 523036431 is about 22869.9897463904. The cubic root of 523036431 is about 805.7073273370.

Adding to 523036431 its reverse (134630325), we get a palindrome (657666756).

The spelling of 523036431 in words is "five hundred twenty-three million, thirty-six thousand, four hundred thirty-one".