13245723 has 24 divisors (see below), whose sum is σ = 20311200. Its totient is φ = 8300160.

The previous prime is 13245709. The next prime is 13245731. The reversal of 13245723 is 32754231.

13245723 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13245723 - 2⁵ = 13245691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13245623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12103 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (846300).

Almost surely, 2^13245723 is an apocalyptic number.

13245723 is a deficient number, since it is larger than the sum of its proper divisors (7065477).

13245723 is a wasteful number, since it uses less digits than its factorization.

13245723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1139 (or 1136 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 13245723 is about 3639.4674060912. The cubic root of 13245723 is about 236.6057108991.

Adding to 13245723 its reverse (32754231), we get a palindrome (45999954).

The spelling of 13245723 in words is "thirteen million, two hundred forty-five thousand, seven hundred twenty-three".