91123363 has 2 divisors, whose sum is σ = 91123364. Its totient is φ = 91123362.

The previous prime is 91123343. The next prime is 91123367. The reversal of 91123363 is 36332119.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91123363 is a prime.

It is not a weakly prime, because it can be changed into another prime (91123367) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45561681 + 45561682.

It is an arithmetic number, because the mean of its divisors is an integer number (45561682).

Almost surely, 2^91123363 is an apocalyptic number.

91123363 is a deficient number, since it is larger than the sum of its proper divisors (1).

91123363 is an equidigital number, since it uses as much as digits as its factorization.

91123363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 28.

The square root of 91123363 is about 9545.8558023888. The cubic root of 91123363 is about 449.9973053337.

The spelling of 91123363 in words is "ninety-one million, one hundred twenty-three thousand, three hundred sixty-three".