23801191 has 2 divisors, whose sum is σ = 23801192. Its totient is φ = 23801190.

The previous prime is 23801171. The next prime is 23801201. The reversal of 23801191 is 19110832.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23801191 - 2¹¹ = 23799143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23801161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11900595 + 11900596.

It is an arithmetic number, because the mean of its divisors is an integer number (11900596).

Almost surely, 2^23801191 is an apocalyptic number.

23801191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23801191 is an equidigital number, since it uses as much as digits as its factorization.

23801191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 23801191 is about 4878.6464311323. The cubic root of 23801191 is about 287.6512263004.

The spelling of 23801191 in words is "twenty-three million, eight hundred one thousand, one hundred ninety-one".