13451723 has 4 divisors (see below), whose sum is σ = 13462680. Its totient is φ = 13440768.

The previous prime is 13451707. The next prime is 13451741. The reversal of 13451723 is 32715431.

13451723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 13451723 - 2⁴ = 13451707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13451692 and 13451701.

It is not an unprimeable number, because it can be changed into a prime (13451773) 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, 3365 + ... + 6182.

It is an arithmetic number, because the mean of its divisors is an integer number (3365670).

Almost surely, 2^13451723 is an apocalyptic number.

13451723 is a deficient number, since it is larger than the sum of its proper divisors (10957).

13451723 is an equidigital number, since it uses as much as digits as its factorization.

13451723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10956.

The product of its digits is 2520, while the sum is 26.

The square root of 13451723 is about 3667.6590626720. The cubic root of 13451723 is about 237.8259855979.

The spelling of 13451723 in words is "thirteen million, four hundred fifty-one thousand, seven hundred twenty-three".