123303231 has 24 divisors (see below), whose sum is σ = 186151680. Its totient is φ = 78570576.

The previous prime is 123303221. The next prime is 123303233. The reversal of 123303231 is 132303321.

123303231 is a `hidden beast` number, since 12 + 330 + 323 + 1 = 666.

It is not a de Polignac number, because 123303231 - 2¹⁵ = 123270463 is a prime.

It is a super-2 number, since 2×123303231² = 30407373550078722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14800 + ... + 21578.

It is an arithmetic number, because the mean of its divisors is an integer number (7756320).

Almost surely, 2^123303231 is an apocalyptic number.

123303231 is a deficient number, since it is larger than the sum of its proper divisors (62848449).

123303231 is a wasteful number, since it uses less digits than its factorization.

123303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6875 (or 6872 counting only the distinct ones).

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

The square root of 123303231 is about 11104.1988004538. The cubic root of 123303231 is about 497.7273268986.

Adding to 123303231 its reverse (132303321), we get a palindrome (255606552).

The spelling of 123303231 in words is "one hundred twenty-three million, three hundred three thousand, two hundred thirty-one".