23191178119 has 2 divisors, whose sum is σ = 23191178120. Its totient is φ = 23191178118.

The previous prime is 23191178069. The next prime is 23191178183. The reversal of 23191178119 is 91187119132.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23191178119 - 2⁷ = 23191177991 is a prime.

It is a super-2 number, since 2×23191178119² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23191178719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11595589059 + 11595589060.

It is an arithmetic number, because the mean of its divisors is an integer number (11595589060).

Almost surely, 2^23191178119 is an apocalyptic number.

23191178119 is a deficient number, since it is larger than the sum of its proper divisors (1).

23191178119 is an equidigital number, since it uses as much as digits as its factorization.

23191178119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 43.

The spelling of 23191178119 in words is "twenty-three billion, one hundred ninety-one million, one hundred seventy-eight thousand, one hundred nineteen".