1323003231 has 72 divisors (see below), whose sum is σ = 2264021760. Its totient is φ = 741454560.

The previous prime is 1323003139. The next prime is 1323003233.

1323003231 is a `hidden beast` number, since 132 + 300 + 3 + 231 = 666.

1323003231 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1323003231 - 2⁷ = 1323003103 is a prime.

It is a super-2 number, since 2×1323003231² = 3500675098472878722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323003233) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 888970 + ... + 890456.

Almost surely, 2^1323003231 is an apocalyptic number.

1323003231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323003231 is a deficient number, since it is larger than the sum of its proper divisors (941018529).

1323003231 is a wasteful number, since it uses less digits than its factorization.

1323003231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1323003231 is about 36373.1113736507. Note that the first 3 decimals coincide. The cubic root of 1323003231 is about 1097.7926066733.

It can be divided in two parts, 132300 and 3231, that added together give a palindrome (135531).

The spelling of 1323003231 in words is "one billion, three hundred twenty-three million, three thousand, two hundred thirty-one".