23618725853189 has 2 divisors, whose sum is σ = 23618725853190. Its totient is φ = 23618725853188.

The previous prime is 23618725853141. The next prime is 23618725853197. The reversal of 23618725853189 is 98135852781632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21470786460964 + 2147939392225 = 4633658^2 + 1465585^2 .

It is a cyclic number.

It is not a de Polignac number, because 23618725853189 - 2³² = 23614430885893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23618625853189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11809362926594 + 11809362926595.

It is an arithmetic number, because the mean of its divisors is an integer number (11809362926595).

Almost surely, 2^{23618725853189} is an apocalyptic number.

It is an amenable number.

23618725853189 is a deficient number, since it is larger than the sum of its proper divisors (1).

23618725853189 is an equidigital number, since it uses as much as digits as its factorization.

23618725853189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174182400, while the sum is 68.

The spelling of 23618725853189 in words is "twenty-three trillion, six hundred eighteen billion, seven hundred twenty-five million, eight hundred fifty-three thousand, one hundred eighty-nine".