13223522965 has 32 divisors (see below), whose sum is σ = 16270315776. Its totient is φ = 10314332160.

The previous prime is 13223522953. The next prime is 13223522987. The reversal of 13223522965 is 56922532231.

13223522965 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13223522965 - 2⁵ = 13223522933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28315662 + ... + 28316128.

It is an arithmetic number, because the mean of its divisors is an integer number (508447368).

Almost surely, 2^13223522965 is an apocalyptic number.

It is an amenable number.

13223522965 is a deficient number, since it is larger than the sum of its proper divisors (3046792811).

13223522965 is a wasteful number, since it uses less digits than its factorization.

13223522965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149.

The product of its digits is 194400, while the sum is 40.

The spelling of 13223522965 in words is "thirteen billion, two hundred twenty-three million, five hundred twenty-two thousand, nine hundred sixty-five".