13091423 has 8 divisors (see below), whose sum is σ = 13471920. Its totient is φ = 12713920.

The previous prime is 13091417. The next prime is 13091431. The reversal of 13091423 is 32419031.

13091423 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 13091423 - 2⁶ = 13091359 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 (13091413) 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, 10436 + ... + 11622.

It is an arithmetic number, because the mean of its divisors is an integer number (1683990).

Almost surely, 2^13091423 is an apocalyptic number.

13091423 is a deficient number, since it is larger than the sum of its proper divisors (380497).

13091423 is a wasteful number, since it uses less digits than its factorization.

13091423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1497.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13091423 is about 3618.2071527208. The cubic root of 13091423 is about 235.6833767508.

The spelling of 13091423 in words is "thirteen million, ninety-one thousand, four hundred twenty-three".