89965223 has 2 divisors, whose sum is σ = 89965224. Its totient is φ = 89965222.

The previous prime is 89965217. The next prime is 89965231. The reversal of 89965223 is 32256998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89965223 - 2⁸ = 89964967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89965123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44982611 + 44982612.

It is an arithmetic number, because the mean of its divisors is an integer number (44982612).

Almost surely, 2^89965223 is an apocalyptic number.

89965223 is a deficient number, since it is larger than the sum of its proper divisors (1).

89965223 is an equidigital number, since it uses as much as digits as its factorization.

89965223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 233280, while the sum is 44.

The square root of 89965223 is about 9484.9998945704. Note that the first 3 decimals coincide. The cubic root of 89965223 is about 448.0827450664.

Adding to 89965223 its reverse (32256998), we get a palindrome (122222221).

The spelling of 89965223 in words is "eighty-nine million, nine hundred sixty-five thousand, two hundred twenty-three".