23000020313 has 4 divisors (see below), whose sum is σ = 23065923300. Its totient is φ = 22934117328.

The previous prime is 23000020301. The next prime is 23000020333. The reversal of 23000020313 is 31302000032.

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 19147087129 + 3852933184 = 138373^2 + 62072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23000020313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23000020333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32950970 + ... + 32951667.

It is an arithmetic number, because the mean of its divisors is an integer number (5766480825).

Almost surely, 2^23000020313 is an apocalyptic number.

It is an amenable number.

23000020313 is a deficient number, since it is larger than the sum of its proper divisors (65902987).

23000020313 is an equidigital number, since it uses as much as digits as its factorization.

23000020313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65902986.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 23000020313 its reverse (31302000032), we get a palindrome (54302020345).

The spelling of 23000020313 in words is "twenty-three billion, twenty thousand, three hundred thirteen".