23389609813 has 2 divisors, whose sum is σ = 23389609814. Its totient is φ = 23389609812.

The previous prime is 23389609787. The next prime is 23389609871. The reversal of 23389609813 is 31890698332.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23072698609 + 316911204 = 151897^2 + 17802^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23389609813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23389609513) 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, 11694804906 + 11694804907.

It is an arithmetic number, because the mean of its divisors is an integer number (11694804907).

Almost surely, 2^23389609813 is an apocalyptic number.

It is an amenable number.

23389609813 is a deficient number, since it is larger than the sum of its proper divisors (1).

23389609813 is an equidigital number, since it uses as much as digits as its factorization.

23389609813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 23389609813 in words is "twenty-three billion, three hundred eighty-nine million, six hundred nine thousand, eight hundred thirteen".