52431959623 has 16 divisors (see below), whose sum is σ = 56721285504. Its totient is φ = 48277419520.

The previous prime is 52431959609. The next prime is 52431959633. The reversal of 52431959623 is 32695913425.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52431959623 is a prime.

It is a super-2 number, since 2×52431959623² (a number of 22 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 (52431959633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2081661 + ... + 2106697.

It is an arithmetic number, because the mean of its divisors is an integer number (3545080344).

Almost surely, 2^52431959623 is an apocalyptic number.

52431959623 is a deficient number, since it is larger than the sum of its proper divisors (4289325881).

52431959623 is a wasteful number, since it uses less digits than its factorization.

52431959623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27722.

The product of its digits is 1749600, while the sum is 49.

The spelling of 52431959623 in words is "fifty-two billion, four hundred thirty-one million, nine hundred fifty-nine thousand, six hundred twenty-three".