232990465 has 4 divisors (see below), whose sum is σ = 279588564. Its totient is φ = 186392368.

The previous prime is 232990463. The next prime is 232990487. The reversal of 232990465 is 564099232.

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 49956624 + 183033841 = 7068^2 + 13529^2 .

It is a cyclic number.

It is not a de Polignac number, because 232990465 - 2¹ = 232990463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (232990463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23299042 + ... + 23299051.

It is an arithmetic number, because the mean of its divisors is an integer number (69897141).

Almost surely, 2^232990465 is an apocalyptic number.

It is an amenable number.

232990465 is a deficient number, since it is larger than the sum of its proper divisors (46598099).

232990465 is an equidigital number, since it uses as much as digits as its factorization.

232990465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46598098.

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 232990465 is about 15264.0251899687. The cubic root of 232990465 is about 615.3365553834.

The spelling of 232990465 in words is "two hundred thirty-two million, nine hundred ninety thousand, four hundred sixty-five".