523034513431 has 4 divisors (see below), whose sum is σ = 523100419632. Its totient is φ = 522968607232.

The previous prime is 523034513423. The next prime is 523034513467. The reversal of 523034513431 is 134315430325.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 523034513431 - 2³ = 523034513423 is a prime.

It is a super-2 number, since 2×523034513431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523034513731) 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 3 ways as a sum of consecutive naturals, for example, 32941195 + ... + 32957068.

It is an arithmetic number, because the mean of its divisors is an integer number (130775104908).

Almost surely, 2^523034513431 is an apocalyptic number.

523034513431 is a deficient number, since it is larger than the sum of its proper divisors (65906201).

523034513431 is an equidigital number, since it uses as much as digits as its factorization.

523034513431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65906200.

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 523034513431 its reverse (134315430325), we get a palindrome (657349943756).

The spelling of 523034513431 in words is "five hundred twenty-three billion, thirty-four million, five hundred thirteen thousand, four hundred thirty-one".