11165723 has 2 divisors, whose sum is σ = 11165724. Its totient is φ = 11165722.

The previous prime is 11165689. The next prime is 11165729. The reversal of 11165723 is 32756111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11165723 - 2⁶ = 11165659 is a prime.

It is a super-2 number, since 2×11165723² = 249346740225458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11165692 and 11165701.

It is not a weakly prime, because it can be changed into another prime (11165729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582861 + 5582862.

It is an arithmetic number, because the mean of its divisors is an integer number (5582862).

Almost surely, 2^11165723 is an apocalyptic number.

11165723 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165723 is an equidigital number, since it uses as much as digits as its factorization.

11165723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 11165723 is about 3341.5150755309. The cubic root of 11165723 is about 223.5093093364.

The spelling of 11165723 in words is "eleven million, one hundred sixty-five thousand, seven hundred twenty-three".