23442101209 has 2 divisors, whose sum is σ = 23442101210. Its totient is φ = 23442101208.

The previous prime is 23442101173. The next prime is 23442101231. The reversal of 23442101209 is 90210124432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12174915600 + 11267185609 = 110340^2 + 106147^2 .

It is a cyclic number.

It is not a de Polignac number, because 23442101209 - 2²⁷ = 23307883481 is a prime.

It is not a weakly prime, because it can be changed into another prime (23442101269) 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, 11721050604 + 11721050605.

It is an arithmetic number, because the mean of its divisors is an integer number (11721050605).

Almost surely, 2^23442101209 is an apocalyptic number.

It is an amenable number.

23442101209 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442101209 is an equidigital number, since it uses as much as digits as its factorization.

23442101209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 23442101209 in words is "twenty-three billion, four hundred forty-two million, one hundred one thousand, two hundred nine".