233420566 has 16 divisors (see below), whose sum is σ = 355526784. Its totient is φ = 114917184.

The previous prime is 233420543. The next prime is 233420581. The reversal of 233420566 is 665024332.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 127131 + ... + 128953.

It is an arithmetic number, because the mean of its divisors is an integer number (22220424).

Almost surely, 2^233420566 is an apocalyptic number.

233420566 is a deficient number, since it is larger than the sum of its proper divisors (122106218).

233420566 is a wasteful number, since it uses less digits than its factorization.

233420566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2775.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 233420566 is about 15278.1074089692. The cubic root of 233420566 is about 615.7149602567.

Adding to 233420566 its reverse (665024332), we get a palindrome (898444898).

The spelling of 233420566 in words is "two hundred thirty-three million, four hundred twenty thousand, five hundred sixty-six".