13937575523 has 4 divisors (see below), whose sum is σ = 13941063048. Its totient is φ = 13934088000.

The previous prime is 13937575507. The next prime is 13937575529. The reversal of 13937575523 is 32557573931.

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 13937575523 - 2⁴ = 13937575507 is a prime.

It is a super-2 number, since 2×13937575523² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13937575529) 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, 1737761 + ... + 1745762.

It is an arithmetic number, because the mean of its divisors is an integer number (3485265762).

Almost surely, 2^13937575523 is an apocalyptic number.

13937575523 is a deficient number, since it is larger than the sum of its proper divisors (3487525).

13937575523 is an equidigital number, since it uses as much as digits as its factorization.

13937575523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3487524.

The product of its digits is 2976750, while the sum is 50.

The spelling of 13937575523 in words is "thirteen billion, nine hundred thirty-seven million, five hundred seventy-five thousand, five hundred twenty-three".