1232421333 has 16 divisors (see below), whose sum is σ = 1930506816. Its totient is φ = 689466240.

The previous prime is 1232421329. The next prime is 1232421347. The reversal of 1232421333 is 3331242321.

It is not a de Polignac number, because 1232421333 - 2² = 1232421329 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232421313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1435960 + ... + 1436817.

It is an arithmetic number, because the mean of its divisors is an integer number (120656676).

Almost surely, 2^1232421333 is an apocalyptic number.

1232421333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1232421333 is a deficient number, since it is larger than the sum of its proper divisors (698085483).

1232421333 is a wasteful number, since it uses less digits than its factorization.

1232421333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872804.

The product of its digits is 2592, while the sum is 24.

The square root of 1232421333 is about 35105.8589554507. The cubic root of 1232421333 is about 1072.1438755457.

Adding to 1232421333 its reverse (3331242321), we get a palindrome (4563663654).

The spelling of 1232421333 in words is "one billion, two hundred thirty-two million, four hundred twenty-one thousand, three hundred thirty-three".