523839430627 has 4 divisors (see below), whose sum is σ = 523841148000. Its totient is φ = 523837713256.

The previous prime is 523839430571. The next prime is 523839430649. The reversal of 523839430627 is 726034938325.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523839430627 is a prime.

It is a super-2 number, since 2×523839430627² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523839430657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263752 + ... + 1056997.

It is an arithmetic number, because the mean of its divisors is an integer number (130960287000).

Almost surely, 2^523839430627 is an apocalyptic number.

523839430627 is a deficient number, since it is larger than the sum of its proper divisors (1717373).

523839430627 is a wasteful number, since it uses less digits than its factorization.

523839430627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717372.

The product of its (nonzero) digits is 6531840, while the sum is 52.

The spelling of 523839430627 in words is "five hundred twenty-three billion, eight hundred thirty-nine million, four hundred thirty thousand, six hundred twenty-seven".