1323773231 has 8 divisors (see below), whose sum is σ = 1444405584. Its totient is φ = 1203189120.

The previous prime is 1323773207. The next prime is 1323773233.

1323773231 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1323773231 - 2¹⁸ = 1323511087 is a prime.

It is a super-2 number, since 2×1323773231² = 3504751134224358722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323773233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69101 + ... + 86153.

It is an arithmetic number, because the mean of its divisors is an integer number (180550698).

Almost surely, 2^1323773231 is an apocalyptic number.

1323773231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1323773231 is a deficient number, since it is larger than the sum of its proper divisors (120632353).

1323773231 is a wasteful number, since it uses less digits than its factorization.

1323773231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24121.

The product of its digits is 15876, while the sum is 32.

The square root of 1323773231 is about 36383.6945760048. The cubic root of 1323773231 is about 1098.0055404867.

It can be divided in two parts, 13237 and 73231, that added together give a palindrome (86468).

The spelling of 1323773231 in words is "one billion, three hundred twenty-three million, seven hundred seventy-three thousand, two hundred thirty-one".