13957723 has 8 divisors (see below), whose sum is σ = 15822800. Its totient is φ = 12205728.

The previous prime is 13957721. The next prime is 13957733. The reversal of 13957723 is 32775931.

13957723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13957723 - 2¹ = 13957721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13957721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28008 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (1977850).

Almost surely, 2^13957723 is an apocalyptic number.

13957723 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13957723 is a deficient number, since it is larger than the sum of its proper divisors (1865077).

13957723 is a wasteful number, since it uses less digits than its factorization.

13957723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56541.

The product of its digits is 39690, while the sum is 37.

The square root of 13957723 is about 3736.0036134886. The cubic root of 13957723 is about 240.7713780306.

Subtracting from 13957723 its sum of digits (37), we obtain a triangular number (13957686 = T₅₂₈₃).

The spelling of 13957723 in words is "thirteen million, nine hundred fifty-seven thousand, seven hundred twenty-three".