235681568 has 12 divisors (see below), whose sum is σ = 463998150. Its totient is φ = 117840768.

The previous prime is 235681553. The next prime is 235681573. The reversal of 235681568 is 865186532.

It can be written as a sum of positive squares in only one way, i.e., 231404944 + 4276624 = 15212^2 + 2068^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3682493 + ... + 3682556.

Almost surely, 2^235681568 is an apocalyptic number.

It is an amenable number.

235681568 is a deficient number, since it is larger than the sum of its proper divisors (228316582).

235681568 is an equidigital number, since it uses as much as digits as its factorization.

235681568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365059 (or 7365051 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 235681568 is about 15351.9239185191. The cubic root of 235681568 is about 617.6965935256.

The spelling of 235681568 in words is "two hundred thirty-five million, six hundred eighty-one thousand, five hundred sixty-eight".