233440223 has 4 divisors (see below), whose sum is σ = 233502408. Its totient is φ = 233378040.

The previous prime is 233440219. The next prime is 233440231. The reversal of 233440223 is 322044332.

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

It is a cyclic number.

It is not a de Polignac number, because 233440223 - 2² = 233440219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233440283) 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, 25073 + ... + 33098.

It is an arithmetic number, because the mean of its divisors is an integer number (58375602).

Almost surely, 2^233440223 is an apocalyptic number.

233440223 is a deficient number, since it is larger than the sum of its proper divisors (62185).

233440223 is an equidigital number, since it uses as much as digits as its factorization.

233440223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62184.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 233440223 is about 15278.7507015462. The cubic root of 233440223 is about 615.7322434656.

Adding to 233440223 its reverse (322044332), we get a palindrome (555484555).

The spelling of 233440223 in words is "two hundred thirty-three million, four hundred forty thousand, two hundred twenty-three".