99965223 has 6 divisors (see below), whose sum is σ = 144394224. Its totient is φ = 66643476.

The previous prime is 99965221. The next prime is 99965263. The reversal of 99965223 is 32256999.

It is not a de Polignac number, because 99965223 - 2¹ = 99965221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99965221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5553615 + ... + 5553632.

It is an arithmetic number, because the mean of its divisors is an integer number (24065704).

Almost surely, 2^99965223 is an apocalyptic number.

99965223 is a deficient number, since it is larger than the sum of its proper divisors (44429001).

99965223 is a wasteful number, since it uses less digits than its factorization.

99965223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11107253 (or 11107250 counting only the distinct ones).

The product of its digits is 262440, while the sum is 45.

The square root of 99965223 is about 9998.2609987937. The cubic root of 99965223 is about 464.1050702776.

The spelling of 99965223 in words is "ninety-nine million, nine hundred sixty-five thousand, two hundred twenty-three".