23443301573 has 2 divisors, whose sum is σ = 23443301574. Its totient is φ = 23443301572.

The previous prime is 23443301533. The next prime is 23443301579. The reversal of 23443301573 is 37510334432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21892753444 + 1550548129 = 147962^2 + 39377^2 .

It is a cyclic number.

It is not a de Polignac number, because 23443301573 - 2²⁰ = 23442252997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23443301579) 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, 11721650786 + 11721650787.

It is an arithmetic number, because the mean of its divisors is an integer number (11721650787).

Almost surely, 2^23443301573 is an apocalyptic number.

It is an amenable number.

23443301573 is a deficient number, since it is larger than the sum of its proper divisors (1).

23443301573 is an equidigital number, since it uses as much as digits as its factorization.

23443301573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 35.

The spelling of 23443301573 in words is "twenty-three billion, four hundred forty-three million, three hundred one thousand, five hundred seventy-three".