23471191 has 2 divisors, whose sum is σ = 23471192. Its totient is φ = 23471190.

The previous prime is 23471167. The next prime is 23471221. The reversal of 23471191 is 19117432.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23471191 - 2¹¹ = 23469143 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23471111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11735595 + 11735596.

It is an arithmetic number, because the mean of its divisors is an integer number (11735596).

Almost surely, 2^23471191 is an apocalyptic number.

23471191 is a deficient number, since it is larger than the sum of its proper divisors (1).

23471191 is an equidigital number, since it uses as much as digits as its factorization.

23471191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 28.

The square root of 23471191 is about 4844.7075247119. The cubic root of 23471191 is about 286.3156205590.

The spelling of 23471191 in words is "twenty-three million, four hundred seventy-one thousand, one hundred ninety-one".