13423023 has 16 divisors (see below), whose sum is σ = 20072800. Its totient is φ = 8864640.

The previous prime is 13423019. The next prime is 13423051. The reversal of 13423023 is 32032431.

It is not a de Polignac number, because 13423023 - 2² = 13423019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13422987 and 13423005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13423073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663 + ... + 5223.

It is an arithmetic number, because the mean of its divisors is an integer number (1254550).

Almost surely, 2^13423023 is an apocalyptic number.

13423023 is a deficient number, since it is larger than the sum of its proper divisors (6649777).

13423023 is a wasteful number, since it uses less digits than its factorization.

13423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4679 (or 4673 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 13423023 is about 3663.7443961063. The cubic root of 13423023 is about 237.6567268391.

Adding to 13423023 its reverse (32032431), we get a palindrome (45455454).

The spelling of 13423023 in words is "thirteen million, four hundred twenty-three thousand, twenty-three".