23262191 has 2 divisors, whose sum is σ = 23262192. Its totient is φ = 23262190.

The previous prime is 23262181. The next prime is 23262193. The reversal of 23262191 is 19126232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23262191 is a prime.

It is a super-2 number, since 2×23262191² = 1082259060240962, which contains 22 as substring.

Together with 23262193, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23262191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23262193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11631095 + 11631096.

It is an arithmetic number, because the mean of its divisors is an integer number (11631096).

Almost surely, 2^23262191 is an apocalyptic number.

23262191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23262191 is an equidigital number, since it uses as much as digits as its factorization.

23262191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 23262191 is about 4823.0893626388. The cubic root of 23262191 is about 285.4632498910.

The spelling of 23262191 in words is "twenty-three million, two hundred sixty-two thousand, one hundred ninety-one".