232345457 has 4 divisors (see below), whose sum is σ = 232576740. Its totient is φ = 232114176.

The previous prime is 232345439. The next prime is 232345493. The reversal of 232345457 is 754543232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76195441 + 156150016 = 8729^2 + 12496^2 .

It is a cyclic number.

It is not a de Polignac number, because 232345457 - 2²⁰ = 231296881 is a prime.

It is a super-2 number, since 2×232345457² = 107968822777077698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232345417) 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 3 ways as a sum of consecutive naturals, for example, 114128 + ... + 116145.

It is an arithmetic number, because the mean of its divisors is an integer number (58144185).

Almost surely, 2^232345457 is an apocalyptic number.

It is an amenable number.

232345457 is a deficient number, since it is larger than the sum of its proper divisors (231283).

232345457 is a wasteful number, since it uses less digits than its factorization.

232345457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231282.

The product of its digits is 100800, while the sum is 35.

The square root of 232345457 is about 15242.8821749694. The cubic root of 232345457 is about 614.7682004792.

Adding to 232345457 its reverse (754543232), we get a palindrome (986888689).

The spelling of 232345457 in words is "two hundred thirty-two million, three hundred forty-five thousand, four hundred fifty-seven".