233440853 has 2 divisors, whose sum is σ = 233440854. Its totient is φ = 233440852.

The previous prime is 233440847. The next prime is 233440873. The reversal of 233440853 is 358044332.

233440853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 216737284 + 16703569 = 14722^2 + 4087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-233440853 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (233440873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 116720426 + 116720427.

It is an arithmetic number, because the mean of its divisors is an integer number (116720427).

Almost surely, 2^233440853 is an apocalyptic number.

It is an amenable number.

233440853 is a deficient number, since it is larger than the sum of its proper divisors (1).

233440853 is an equidigital number, since it uses as much as digits as its factorization.

233440853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 233440853 is about 15278.7713184012. The cubic root of 233440853 is about 615.7327973704.

The spelling of 233440853 in words is "two hundred thirty-three million, four hundred forty thousand, eight hundred fifty-three".