23001153191 has 2 divisors, whose sum is σ = 23001153192. Its totient is φ = 23001153190.

The previous prime is 23001153179. The next prime is 23001153251. The reversal of 23001153191 is 19135110032.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23001153191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23001153191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23001150191) 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, 11500576595 + 11500576596.

It is an arithmetic number, because the mean of its divisors is an integer number (11500576596).

Almost surely, 2^23001153191 is an apocalyptic number.

23001153191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23001153191 is an equidigital number, since it uses as much as digits as its factorization.

23001153191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 23001153191 in words is "twenty-three billion, one million, one hundred fifty-three thousand, one hundred ninety-one".