1323423231 has 8 divisors (see below), whose sum is σ = 1900300080. Its totient is φ = 814414272.

The previous prime is 1323423221. The next prime is 1323423251. The reversal of 1323423231 is 1323243231.

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

It is not a de Polignac number, because 1323423231 - 2⁷ = 1323423103 is a prime.

It is a super-2 number, since 2×1323423231² = 3502898096700958722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323423221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16966926 + ... + 16967003.

It is an arithmetic number, because the mean of its divisors is an integer number (237537510).

Almost surely, 2^1323423231 is an apocalyptic number.

1323423231 is a deficient number, since it is larger than the sum of its proper divisors (576876849).

1323423231 is a wasteful number, since it uses less digits than its factorization.

1323423231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33933945.

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

The square root of 1323423231 is about 36378.8844111526. The cubic root of 1323423231 is about 1097.9087626287.

Adding to 1323423231 its reverse (1323243231), we get a palindrome (2646666462).

The spelling of 1323423231 in words is "one billion, three hundred twenty-three million, four hundred twenty-three thousand, two hundred thirty-one".