623599995327 has 4 divisors (see below), whose sum is σ = 831466660440. Its totient is φ = 415733330216.

The previous prime is 623599995313. The next prime is 623599995349. The reversal of 623599995327 is 723599995326.

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 623599995327 - 2²⁶ = 623532886463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623599995527) 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, 103933332552 + ... + 103933332557.

It is an arithmetic number, because the mean of its divisors is an integer number (207866665110).

Almost surely, 2^623599995327 is an apocalyptic number.

623599995327 is a deficient number, since it is larger than the sum of its proper divisors (207866665113).

623599995327 is a wasteful number, since it uses less digits than its factorization.

623599995327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207866665112.

The product of its digits is 248005800, while the sum is 69.

Subtracting 623599995327 from its reverse (723599995326), we obtain a palindrome (99999999999).

The spelling of 623599995327 in words is "six hundred twenty-three billion, five hundred ninety-nine million, nine hundred ninety-five thousand, three hundred twenty-seven".