23433744913 has 2 divisors, whose sum is σ = 23433744914. Its totient is φ = 23433744912.

The previous prime is 23433744907. The next prime is 23433744973. The reversal of 23433744913 is 31944733432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23429812624 + 3932289 = 153068^2 + 1983^2 .

It is a cyclic number.

It is not a de Polignac number, because 23433744913 - 2⁵ = 23433744881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23433744913.

It is not a weakly prime, because it can be changed into another prime (23433744973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11716872456 + 11716872457.

It is an arithmetic number, because the mean of its divisors is an integer number (11716872457).

Almost surely, 2^23433744913 is an apocalyptic number.

It is an amenable number.

23433744913 is a deficient number, since it is larger than the sum of its proper divisors (1).

23433744913 is an equidigital number, since it uses as much as digits as its factorization.

23433744913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 43.

The spelling of 23433744913 in words is "twenty-three billion, four hundred thirty-three million, seven hundred forty-four thousand, nine hundred thirteen".