23441444491 has 2 divisors, whose sum is σ = 23441444492. Its totient is φ = 23441444490.

The previous prime is 23441444479. The next prime is 23441444501. The reversal of 23441444491 is 19444414432.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23441444491 - 2⁷ = 23441444363 is a prime.

It is not a weakly prime, because it can be changed into another prime (23447444491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11720722245 + 11720722246.

It is an arithmetic number, because the mean of its divisors is an integer number (11720722246).

Almost surely, 2^23441444491 is an apocalyptic number.

23441444491 is a deficient number, since it is larger than the sum of its proper divisors (1).

23441444491 is an equidigital number, since it uses as much as digits as its factorization.

23441444491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 40.

The spelling of 23441444491 in words is "twenty-three billion, four hundred forty-one million, four hundred forty-four thousand, four hundred ninety-one".