91414223 has 2 divisors, whose sum is σ = 91414224. Its totient is φ = 91414222.

The previous prime is 91414199. The next prime is 91414229. The reversal of 91414223 is 32241419.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 91414223 - 2⁶ = 91414159 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91414192 and 91414201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91414229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45707111 + 45707112.

It is an arithmetic number, because the mean of its divisors is an integer number (45707112).

Almost surely, 2^91414223 is an apocalyptic number.

91414223 is a deficient number, since it is larger than the sum of its proper divisors (1).

91414223 is an equidigital number, since it uses as much as digits as its factorization.

91414223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 91414223 is about 9561.0785479464. The cubic root of 91414223 is about 450.4755844423.

The spelling of 91414223 in words is "ninety-one million, four hundred fourteen thousand, two hundred twenty-three".