233523313 has 4 divisors (see below), whose sum is σ = 234124020. Its totient is φ = 232922608.

The previous prime is 233523293. The next prime is 233523337. The reversal of 233523313 is 313325332.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34374769 + 199148544 = 5863^2 + 14112^2 .

It is a cyclic number.

It is not a de Polignac number, because 233523313 - 2⁹ = 233522801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (233523383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299770 + ... + 300547.

It is an arithmetic number, because the mean of its divisors is an integer number (58531005).

Almost surely, 2^233523313 is an apocalyptic number.

It is an amenable number.

233523313 is a deficient number, since it is larger than the sum of its proper divisors (600707).

233523313 is an equidigital number, since it uses as much as digits as its factorization.

233523313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600706.

The product of its digits is 4860, while the sum is 25.

The square root of 233523313 is about 15281.4695955592. The cubic root of 233523313 is about 615.8052887512.

Adding to 233523313 its reverse (313325332), we get a palindrome (546848645).

The spelling of 233523313 in words is "two hundred thirty-three million, five hundred twenty-three thousand, three hundred thirteen".