1323032231 has 4 divisors (see below), whose sum is σ = 1326845352. Its totient is φ = 1319219112.

The previous prime is 1323032173. The next prime is 1323032237. The reversal of 1323032231 is 1322303231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1322303231 = 17 ⋅77782543.

It is a cyclic number.

It is not a de Polignac number, because 1323032231 - 2¹⁰ = 1323031207 is a prime.

It is a super-2 number, since 2×1323032231² = 3500828568529674722, 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 (1323032237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1906040 + ... + 1906733.

It is an arithmetic number, because the mean of its divisors is an integer number (331711338).

Almost surely, 2^1323032231 is an apocalyptic number.

1323032231 is a deficient number, since it is larger than the sum of its proper divisors (3813121).

1323032231 is an equidigital number, since it uses as much as digits as its factorization.

1323032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813120.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1323032231 is about 36373.5100175938. The cubic root of 1323032231 is about 1097.8006277555.

Adding to 1323032231 its reverse (1322303231), we get a palindrome (2645335462).

Subtracting from 1323032231 its reverse (1322303231), we obtain a cube (729000 = 90³).

The spelling of 1323032231 in words is "one billion, three hundred twenty-three million, thirty-two thousand, two hundred thirty-one".