23744406402133 has 2 divisors, whose sum is σ = 23744406402134. Its totient is φ = 23744406402132.

The previous prime is 23744406402113. The next prime is 23744406402161. The reversal of 23744406402133 is 33120460444732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15290774556964 + 8453631845169 = 3910342^2 + 2907513^2 .

It is a cyclic number.

It is not a de Polignac number, because 23744406402133 - 2³³ = 23735816467541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23744406402133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23744406402113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872203201066 + 11872203201067.

It is an arithmetic number, because the mean of its divisors is an integer number (11872203201067).

Almost surely, 2^{23744406402133} is an apocalyptic number.

It is an amenable number.

23744406402133 is a deficient number, since it is larger than the sum of its proper divisors (1).

23744406402133 is an equidigital number, since it uses as much as digits as its factorization.

23744406402133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 43.

Adding to 23744406402133 its reverse (33120460444732), we get a palindrome (56864866846865).

The spelling of 23744406402133 in words is "twenty-three trillion, seven hundred forty-four billion, four hundred six million, four hundred two thousand, one hundred thirty-three".