2423191 has 2 divisors, whose sum is σ = 2423192. Its totient is φ = 2423190.

The previous prime is 2423149. The next prime is 2423209. The reversal of 2423191 is 1913242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2423191 - 2¹³ = 2414999 is a prime.

It is a Chen prime.

2423191 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2423131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1211595 + 1211596.

It is an arithmetic number, because the mean of its divisors is an integer number (1211596).

2^2423191 is an apocalyptic number.

2423191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2423191 is an equidigital number, since it uses as much as digits as its factorization.

2423191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 432, while the sum is 22.

The square root of 2423191 is about 1556.6602069816. The cubic root of 2423191 is about 134.3164533847.

The spelling of 2423191 in words is "two million, four hundred twenty-three thousand, one hundred ninety-one".