23442998189197 has 2 divisors, whose sum is σ = 23442998189198. Its totient is φ = 23442998189196.

The previous prime is 23442998189179. The next prime is 23442998189213. The reversal of 23442998189197 is 79198189924432.

Together with previous prime (23442998189179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20839644982116 + 2603353207081 = 4565046^2 + 1613491^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23442998189197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23442998189137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11721499094598 + 11721499094599.

It is an arithmetic number, because the mean of its divisors is an integer number (11721499094599).

Almost surely, 2^{23442998189197} is an apocalyptic number.

It is an amenable number.

23442998189197 is a deficient number, since it is larger than the sum of its proper divisors (1).

23442998189197 is an equidigital number, since it uses as much as digits as its factorization.

23442998189197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564350976, while the sum is 76.

The spelling of 23442998189197 in words is "twenty-three trillion, four hundred forty-two billion, nine hundred ninety-eight million, one hundred eighty-nine thousand, one hundred ninety-seven".