1213413323 has 24 divisors (see below), whose sum is σ = 1307238912. Its totient is φ = 1125732608.

The previous prime is 1213413319. The next prime is 1213413353. The reversal of 1213413323 is 3233143121.

It is not a de Polignac number, because 1213413323 - 2² = 1213413319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1213413353) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3167990 + ... + 3168372.

It is an arithmetic number, because the mean of its divisors is an integer number (54468288).

Almost surely, 2^1213413323 is an apocalyptic number.

1213413323 is a deficient number, since it is larger than the sum of its proper divisors (93825589).

1213413323 is a wasteful number, since it uses less digits than its factorization.

1213413323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 572 counting only the distinct ones).

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

The square root of 1213413323 is about 34834.0827782217. The cubic root of 1213413323 is about 1066.6032918185.

Adding to 1213413323 its reverse (3233143121), we get a palindrome (4446556444).

The spelling of 1213413323 in words is "one billion, two hundred thirteen million, four hundred thirteen thousand, three hundred twenty-three".