13311023 has 4 divisors (see below), whose sum is σ = 14521128. Its totient is φ = 12100920.

The previous prime is 13311007. The next prime is 13311031. The reversal of 13311023 is 32011331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13311023 - 2⁴ = 13311007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310989 and 13311007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605036 + ... + 605057.

It is an arithmetic number, because the mean of its divisors is an integer number (3630282).

Almost surely, 2^13311023 is an apocalyptic number.

13311023 is a deficient number, since it is larger than the sum of its proper divisors (1210105).

13311023 is a wasteful number, since it uses less digits than its factorization.

13311023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210104.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 13311023 is about 3648.4274694723. The cubic root of 13311023 is about 236.9938873366.

Adding to 13311023 its reverse (32011331), we get a palindrome (45322354).

The spelling of 13311023 in words is "thirteen million, three hundred eleven thousand, twenty-three".