165623327 has 2 divisors, whose sum is σ = 165623328. Its totient is φ = 165623326.

The previous prime is 165623317. The next prime is 165623369. The reversal of 165623327 is 723326561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165623327 - 2²⁶ = 98514463 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165623317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82811663 + 82811664.

It is an arithmetic number, because the mean of its divisors is an integer number (82811664).

Almost surely, 2^165623327 is an apocalyptic number.

165623327 is a deficient number, since it is larger than the sum of its proper divisors (1).

165623327 is an equidigital number, since it uses as much as digits as its factorization.

165623327 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 35.

The square root of 165623327 is about 12869.4726776197. The cubic root of 165623327 is about 549.1704596634.

Adding to 165623327 its reverse (723326561), we get a palindrome (888949888).

The spelling of 165623327 in words is "one hundred sixty-five million, six hundred twenty-three thousand, three hundred twenty-seven".