23744384149 has 2 divisors, whose sum is σ = 23744384150. Its totient is φ = 23744384148.

The previous prime is 23744384141. The next prime is 23744384159. The reversal of 23744384149 is 94148344732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19149577924 + 4594806225 = 138382^2 + 67785^2 .

It is a cyclic number.

It is not a de Polignac number, because 23744384149 - 2³ = 23744384141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23744384141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872192074 + 11872192075.

It is an arithmetic number, because the mean of its divisors is an integer number (11872192075).

Almost surely, 2^23744384149 is an apocalyptic number.

It is an amenable number.

23744384149 is a deficient number, since it is larger than the sum of its proper divisors (1).

23744384149 is an equidigital number, since it uses as much as digits as its factorization.

23744384149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2322432, while the sum is 49.

The spelling of 23744384149 in words is "twenty-three billion, seven hundred forty-four million, three hundred eighty-four thousand, one hundred forty-nine".