1223312133 has 32 divisors (see below), whose sum is σ = 1733529600. Its totient is φ = 766112256.

The previous prime is 1223312119. The next prime is 1223312137. The reversal of 1223312133 is 3312133221.

It is not a de Polignac number, because 1223312133 - 2²⁸ = 954876677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223312137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 584553 + ... + 586641.

It is an arithmetic number, because the mean of its divisors is an integer number (54172800).

Almost surely, 2^1223312133 is an apocalyptic number.

It is an amenable number.

1223312133 is a deficient number, since it is larger than the sum of its proper divisors (510217467).

1223312133 is a wasteful number, since it uses less digits than its factorization.

1223312133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2301.

The product of its digits is 648, while the sum is 21.

The square root of 1223312133 is about 34975.8793027423. The cubic root of 1223312133 is about 1069.4958270525.

Adding to 1223312133 its reverse (3312133221), we get a palindrome (4535445354).

The spelling of 1223312133 in words is "one billion, two hundred twenty-three million, three hundred twelve thousand, one hundred thirty-three".