13725836823 has 4 divisors (see below), whose sum is σ = 18301115768. Its totient is φ = 9150557880.

The previous prime is 13725836819. The next prime is 13725836833. The reversal of 13725836823 is 32863852731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13725836823 - 2² = 13725836819 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13725836833) 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, 2287639468 + ... + 2287639473.

It is an arithmetic number, because the mean of its divisors is an integer number (4575278942).

Almost surely, 2^13725836823 is an apocalyptic number.

13725836823 is a deficient number, since it is larger than the sum of its proper divisors (4575278945).

13725836823 is an equidigital number, since it uses as much as digits as its factorization.

13725836823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575278944.

The product of its digits is 1451520, while the sum is 48.

The spelling of 13725836823 in words is "thirteen billion, seven hundred twenty-five million, eight hundred thirty-six thousand, eight hundred twenty-three".