1165223 has 2 divisors, whose sum is σ = 1165224. Its totient is φ = 1165222.

The previous prime is 1165217. The next prime is 1165273. The reversal of 1165223 is 3225611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1165223 - 2⁴ = 1165207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165195 and 1165204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1165273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582611 + 582612.

It is an arithmetic number, because the mean of its divisors is an integer number (582612).

2^1165223 is an apocalyptic number.

1165223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165223 is an equidigital number, since it uses as much as digits as its factorization.

1165223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 1165223 is about 1079.4549550583. The cubic root of 1165223 is about 105.2292195721.

The spelling of 1165223 in words is "one million, one hundred sixty-five thousand, two hundred twenty-three".