232640355 has 16 divisors (see below), whose sum is σ = 381304224. Its totient is φ = 121048320.

The previous prime is 232640347. The next prime is 232640381. The reversal of 232640355 is 553046232.

It is not a de Polignac number, because 232640355 - 2³ = 232640347 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188524 + ... + 189753.

It is an arithmetic number, because the mean of its divisors is an integer number (23831514).

Almost surely, 2^232640355 is an apocalyptic number.

232640355 is a deficient number, since it is larger than the sum of its proper divisors (148663869).

232640355 is a wasteful number, since it uses less digits than its factorization.

232640355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378326.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 232640355 is about 15252.5524093510. The cubic root of 232640355 is about 615.0281829903.

Adding to 232640355 its reverse (553046232), we get a palindrome (785686587).

The spelling of 232640355 in words is "two hundred thirty-two million, six hundred forty thousand, three hundred fifty-five".