165427723 has 2 divisors, whose sum is σ = 165427724. Its totient is φ = 165427722.

The previous prime is 165427693. The next prime is 165427741. The reversal of 165427723 is 327724561.

It is a happy number.

165427723 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165427723 - 2⁹ = 165427211 is a prime.

It is not a weakly prime, because it can be changed into another prime (165427783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82713861 + 82713862.

It is an arithmetic number, because the mean of its divisors is an integer number (82713862).

Almost surely, 2^165427723 is an apocalyptic number.

165427723 is a deficient number, since it is larger than the sum of its proper divisors (1).

165427723 is an equidigital number, since it uses as much as digits as its factorization.

165427723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 37.

The square root of 165427723 is about 12861.8708981236. The cubic root of 165427723 is about 548.9541812430.

The spelling of 165427723 in words is "one hundred sixty-five million, four hundred twenty-seven thousand, seven hundred twenty-three".