13237671523 has 4 divisors (see below), whose sum is σ = 13239008848. Its totient is φ = 13236334200.

The previous prime is 13237671481. The next prime is 13237671547. The reversal of 13237671523 is 32517673231.

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 13237671523 - 2⁹ = 13237671011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13237671023) 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, 653703 + ... + 673648.

It is an arithmetic number, because the mean of its divisors is an integer number (3309752212).

Almost surely, 2^13237671523 is an apocalyptic number.

13237671523 is a deficient number, since it is larger than the sum of its proper divisors (1337325).

13237671523 is an equidigital number, since it uses as much as digits as its factorization.

13237671523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337324.

The product of its digits is 158760, while the sum is 40.

The spelling of 13237671523 in words is "thirteen billion, two hundred thirty-seven million, six hundred seventy-one thousand, five hundred twenty-three".