23442445291 has 2 divisors, whose sum is σ = 23442445292. Its totient is φ = 23442445290.

The previous prime is 23442445283. The next prime is 23442445331. The reversal of 23442445291 is 19254424432.

It is a happy number.

It is an a-pointer prime, because the next prime (23442445331) can be obtained adding 23442445291 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23442445291 - 2³ = 23442445283 is a prime.

It is not a weakly prime, because it can be changed into another prime (23442445591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721222645 + 11721222646.

It is an arithmetic number, because the mean of its divisors is an integer number (11721222646).

Almost surely, 2^23442445291 is an apocalyptic number.

23442445291 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442445291 is an equidigital number, since it uses as much as digits as its factorization.

23442445291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 40.

The spelling of 23442445291 in words is "twenty-three billion, four hundred forty-two million, four hundred forty-five thousand, two hundred ninety-one".