13323123 has 40 divisors (see below), whose sum is σ = 22883520. Its totient is φ = 7639920.

The previous prime is 13323119. The next prime is 13323127. The reversal of 13323123 is 32132331.

It is an interprime number because it is at equal distance from previous prime (13323119) and next prime (13323127).

It is not a de Polignac number, because 13323123 - 2² = 13323119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13323096 and 13323105.

It is not an unprimeable number, because it can be changed into a prime (13323127) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16536 + ... + 17322.

It is an arithmetic number, because the mean of its divisors is an integer number (572088).

Almost surely, 2^13323123 is an apocalyptic number.

13323123 is a deficient number, since it is larger than the sum of its proper divisors (9560397).

13323123 is a wasteful number, since it uses less digits than its factorization.

13323123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829 (or 820 counting only the distinct ones).

The product of its digits is 324, while the sum is 18.

The square root of 13323123 is about 3650.0853414681. The cubic root of 13323123 is about 237.0656763986.

Adding to 13323123 its reverse (32132331), we get a palindrome (45455454).

The spelling of 13323123 in words is "thirteen million, three hundred twenty-three thousand, one hundred twenty-three".