23198755193 has 2 divisors, whose sum is σ = 23198755194. Its totient is φ = 23198755192.

The previous prime is 23198755079. The next prime is 23198755207. The reversal of 23198755193 is 39155789132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19122188089 + 4076567104 = 138283^2 + 63848^2 .

It is a cyclic number.

It is not a de Polignac number, because 23198755193 - 2¹² = 23198751097 is a prime.

It is not a weakly prime, because it can be changed into another prime (23198751193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11599377596 + 11599377597.

It is an arithmetic number, because the mean of its divisors is an integer number (11599377597).

Almost surely, 2^23198755193 is an apocalyptic number.

It is an amenable number.

23198755193 is a deficient number, since it is larger than the sum of its proper divisors (1).

23198755193 is an equidigital number, since it uses as much as digits as its factorization.

23198755193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2041200, while the sum is 53.

The spelling of 23198755193 in words is "twenty-three billion, one hundred ninety-eight million, seven hundred fifty-five thousand, one hundred ninety-three".