63956597323 has 4 divisors (see below), whose sum is σ = 63958640400. Its totient is φ = 63954554248.

The previous prime is 63956597297. The next prime is 63956597339. The reversal of 63956597323 is 32379565936.

63956597323 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 63956597323 - 2²¹ = 63954500171 is a prime.

It is a super-2 number, since 2×63956597323² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63956591323) 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, 973840 + ... + 1037437.

It is an arithmetic number, because the mean of its divisors is an integer number (15989660100).

Almost surely, 2^63956597323 is an apocalyptic number.

63956597323 is a deficient number, since it is larger than the sum of its proper divisors (2043077).

63956597323 is a wasteful number, since it uses less digits than its factorization.

63956597323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043076.

The product of its digits is 27556200, while the sum is 58.

The spelling of 63956597323 in words is "sixty-three billion, nine hundred fifty-six million, five hundred ninety-seven thousand, three hundred twenty-three".