233044013 has 2 divisors, whose sum is σ = 233044014. Its totient is φ = 233044012.

The previous prime is 233044003. The next prime is 233044033. The reversal of 233044013 is 310440332.

It is an a-pointer prime, because the next prime (233044033) can be obtained adding 233044013 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159719044 + 73324969 = 12638^2 + 8563^2 .

It is a cyclic number.

It is not a de Polignac number, because 233044013 - 2⁸ = 233043757 is a prime.

It is a Sophie Germain prime.

It is a Chen 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 (233044003) 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 as a sum of consecutive naturals, namely, 116522006 + 116522007.

It is an arithmetic number, because the mean of its divisors is an integer number (116522007).

Almost surely, 2^233044013 is an apocalyptic number.

It is an amenable number.

233044013 is a deficient number, since it is larger than the sum of its proper divisors (1).

233044013 is an equidigital number, since it uses as much as digits as its factorization.

233044013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 233044013 is about 15265.7791481470. The cubic root of 233044013 is about 615.3836925311.

Adding to 233044013 its reverse (310440332), we get a palindrome (543484345).

The spelling of 233044013 in words is "two hundred thirty-three million, forty-four thousand, thirteen".