14723726431 has 4 divisors (see below), whose sum is σ = 14858806600. Its totient is φ = 14588646264.

The previous prime is 14723726389. The next prime is 14723726453. The reversal of 14723726431 is 13462732741.

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 14723726431 - 2²³ = 14715337823 is a prime.

It is a super-2 number, since 2×14723726431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14723726491) 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, 67539921 + ... + 67540138.

It is an arithmetic number, because the mean of its divisors is an integer number (3714701650).

Almost surely, 2^14723726431 is an apocalyptic number.

14723726431 is a deficient number, since it is larger than the sum of its proper divisors (135080169).

14723726431 is a wasteful number, since it uses less digits than its factorization.

14723726431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135080168.

The product of its digits is 169344, while the sum is 40.

The spelling of 14723726431 in words is "fourteen billion, seven hundred twenty-three million, seven hundred twenty-six thousand, four hundred thirty-one".