13623573426 has 16 divisors (see below), whose sum is σ = 28186704000. Its totient is φ = 4384598288.

The previous prime is 13623573413. The next prime is 13623573443. The reversal of 13623573426 is 62437532631.

13623573426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13623573426² (a number of 21 digits) contains 22 as substring.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 39148026 + ... + 39148373.

It is an arithmetic number, because the mean of its divisors is an integer number (1761669000).

Almost surely, 2^13623573426 is an apocalyptic number.

13623573426 is an abundant number, since it is smaller than the sum of its proper divisors (14563130574).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13623573426 is a wasteful number, since it uses less digits than its factorization.

13623573426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78296433.

The product of its digits is 544320, while the sum is 42.

The spelling of 13623573426 in words is "thirteen billion, six hundred twenty-three million, five hundred seventy-three thousand, four hundred twenty-six".