232323231 has 8 divisors (see below), whose sum is σ = 354016384. Its totient is φ = 132756120.

The previous prime is 232323229. The next prime is 232323233. The reversal of 232323231 is 132323232.

It is an interprime number because it is at equal distance from previous prime (232323229) and next prime (232323233).

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

It is not a de Polignac number, because 232323231 - 2¹ = 232323229 is a prime.

It is a super-2 number, since 2×232323231² = 107948167324558722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 11063011 = 232323231 / (2 + 3 + 2 + 3 + 2 + 3 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232323198 and 232323207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232323233) 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, 5531485 + ... + 5531526.

It is an arithmetic number, because the mean of its divisors is an integer number (44252048).

Almost surely, 2^232323231 is an apocalyptic number.

232323231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

232323231 is a deficient number, since it is larger than the sum of its proper divisors (121693153).

232323231 is a wasteful number, since it uses less digits than its factorization.

232323231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11063021.

The product of its digits is 1296, while the sum is 21.

The square root of 232323231 is about 15242.1530959376. The cubic root of 232323231 is about 614.7485970922.

Adding to 232323231 its reverse (132323232), we get a palindrome (364646463).

Subtracting from 232323231 its reverse (132323232), we obtain a palindrome (99999999).

The spelling of 232323231 in words is "two hundred thirty-two million, three hundred twenty-three thousand, two hundred thirty-one".