13111323 has 8 divisors (see below), whose sum is σ = 17530128. Its totient is φ = 8716704.

The previous prime is 13111309. The next prime is 13111327. The reversal of 13111323 is 32311131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13111323 - 2⁵ = 13111291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13111327) 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, 4740 + ... + 6977.

It is an arithmetic number, because the mean of its divisors is an integer number (2191266).

Almost surely, 2^13111323 is an apocalyptic number.

13111323 is a deficient number, since it is larger than the sum of its proper divisors (4418805).

13111323 is a wasteful number, since it uses less digits than its factorization.

13111323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12093.

The product of its digits is 54, while the sum is 15.

The square root of 13111323 is about 3620.9560892118. The cubic root of 13111323 is about 235.8027354271.

Adding to 13111323 its reverse (32311131), we get a palindrome (45422454).

It can be divided in two parts, 1311 and 1323, that multiplied together give a triangular number (1734453 = T₁₈₆₂).

The spelling of 13111323 in words is "thirteen million, one hundred eleven thousand, three hundred twenty-three".