23033221313 has 4 divisors (see below), whose sum is σ = 23244535380. Its totient is φ = 22821907248.

The previous prime is 23033221283. The next prime is 23033221391. The reversal of 23033221313 is 31312233032.

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 7774301584 + 15258919729 = 88172^2 + 123527^2 .

It is a cyclic number.

It is not a de Polignac number, because 23033221313 - 2⁶ = 23033221249 is a prime.

It is a super-3 number, since 3×23033221313³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23033221513) 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, 105656870 + ... + 105657087.

It is an arithmetic number, because the mean of its divisors is an integer number (5811133845).

Almost surely, 2^23033221313 is an apocalyptic number.

It is an amenable number.

23033221313 is a deficient number, since it is larger than the sum of its proper divisors (211314067).

23033221313 is a wasteful number, since it uses less digits than its factorization.

23033221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211314066.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 23033221313 its reverse (31312233032), we get a palindrome (54345454345).

The spelling of 23033221313 in words is "twenty-three billion, thirty-three million, two hundred twenty-one thousand, three hundred thirteen".