23944196653837 has 2 divisors, whose sum is σ = 23944196653838. Its totient is φ = 23944196653836.

The previous prime is 23944196653813. The next prime is 23944196653891. The reversal of 23944196653837 is 73835669144932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22808972463876 + 1135224189961 = 4775874^2 + 1065469^2 .

It is a cyclic number.

It is not a de Polignac number, because 23944196653837 - 2²⁷ = 23944062436109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23944196654837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11972098326918 + 11972098326919.

It is an arithmetic number, because the mean of its divisors is an integer number (11972098326919).

Almost surely, 2^{23944196653837} is an apocalyptic number.

It is an amenable number.

23944196653837 is a deficient number, since it is larger than the sum of its proper divisors (1).

23944196653837 is an equidigital number, since it uses as much as digits as its factorization.

23944196653837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705438720, while the sum is 70.

The spelling of 23944196653837 in words is "twenty-three trillion, nine hundred forty-four billion, one hundred ninety-six million, six hundred fifty-three thousand, eight hundred thirty-seven".