232403251 has 12 divisors (see below), whose sum is σ = 239645952. Its totient is φ = 225297488.

The previous prime is 232403221. The next prime is 232403257. The reversal of 232403251 is 152304232.

It is not a de Polignac number, because 232403251 - 2¹⁷ = 232272179 is a prime.

It is a super-2 number, since 2×232403251² = 108022542150738002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232403257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606606 + ... + 606988.

It is an arithmetic number, because the mean of its divisors is an integer number (19970496).

Almost surely, 2^232403251 is an apocalyptic number.

232403251 is a deficient number, since it is larger than the sum of its proper divisors (7242701).

232403251 is an equidigital number, since it uses as much as digits as its factorization.

232403251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 232403251 is about 15244.7778271774. Note that the first 3 decimals coincide. The cubic root of 232403251 is about 614.8191690790.

Adding to 232403251 its reverse (152304232), we get a palindrome (384707483).

The spelling of 232403251 in words is "two hundred thirty-two million, four hundred three thousand, two hundred fifty-one".