232297213 has 8 divisors (see below), whose sum is σ = 233460920. Its totient is φ = 231137280.

The previous prime is 232297201. The next prime is 232297259. The reversal of 232297213 is 312792232.

It can be written as a sum of positive squares in 4 ways, for example, as 96294969 + 136002244 = 9813^2 + 11662^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 232297213 - 2⁵ = 232297181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232297613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301693 + ... + 302461.

It is an arithmetic number, because the mean of its divisors is an integer number (29182615).

Almost surely, 2^232297213 is an apocalyptic number.

It is an amenable number.

232297213 is a deficient number, since it is larger than the sum of its proper divisors (1163707).

232297213 is an equidigital number, since it uses as much as digits as its factorization.

232297213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887.

The product of its digits is 9072, while the sum is 31.

The square root of 232297213 is about 15241.2995836969. The cubic root of 232297213 is about 614.7256475633.

The spelling of 232297213 in words is "two hundred thirty-two million, two hundred ninety-seven thousand, two hundred thirteen".