1323113423 has 4 divisors (see below), whose sum is σ = 1323234528. Its totient is φ = 1322992320.

The previous prime is 1323113413. The next prime is 1323113443. The reversal of 1323113423 is 3243113231.

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 1323113423 - 2⁸ = 1323113167 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 (1323113413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42338 + ... + 66623.

It is an arithmetic number, because the mean of its divisors is an integer number (330808632).

Almost surely, 2^1323113423 is an apocalyptic number.

1323113423 is a deficient number, since it is larger than the sum of its proper divisors (121105).

1323113423 is a wasteful number, since it uses less digits than its factorization.

1323113423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121104.

The product of its digits is 1296, while the sum is 23.

The square root of 1323113423 is about 36374.6260874253. The cubic root of 1323113423 is about 1097.8230839495.

Adding to 1323113423 its reverse (3243113231), we get a palindrome (4566226654).

The spelling of 1323113423 in words is "one billion, three hundred twenty-three million, one hundred thirteen thousand, four hundred twenty-three".