23220312233113 has 4 divisors (see below), whose sum is σ = 23220864916020. Its totient is φ = 23219759550208.

The previous prime is 23220312233077. The next prime is 23220312233143. The reversal of 23220312233113 is 31133221302232.

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 1160635619584 + 22059676613529 = 1077328^2 + 4696773^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23220312233113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23220312233143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276278428 + ... + 276362461.

It is an arithmetic number, because the mean of its divisors is an integer number (5805216229005).

Almost surely, 2^{23220312233113} is an apocalyptic number.

It is an amenable number.

23220312233113 is a deficient number, since it is larger than the sum of its proper divisors (552682907).

23220312233113 is an equidigital number, since it uses as much as digits as its factorization.

23220312233113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552682906.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 23220312233113 its reverse (31133221302232), we get a palindrome (54353533535345).

The spelling of 23220312233113 in words is "twenty-three trillion, two hundred twenty billion, three hundred twelve million, two hundred thirty-three thousand, one hundred thirteen".