23033191 has 2 divisors, whose sum is σ = 23033192. Its totient is φ = 23033190.

The previous prime is 23033177. The next prime is 23033201. The reversal of 23033191 is 19133032.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23033191 - 2⁵ = 23033159 is a prime.

It is equal to p_1450237 and since 23033191 and 1450237 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23033291) 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, 11516595 + 11516596.

It is an arithmetic number, because the mean of its divisors is an integer number (11516596).

Almost surely, 2^23033191 is an apocalyptic number.

23033191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23033191 is an equidigital number, since it uses as much as digits as its factorization.

23033191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 486, while the sum is 22.

The square root of 23033191 is about 4799.2906767563. The cubic root of 23033191 is about 284.5234304788.

The spelling of 23033191 in words is "twenty-three million, thirty-three thousand, one hundred ninety-one".