165050923 has 2 divisors, whose sum is σ = 165050924. Its totient is φ = 165050922.

The previous prime is 165050917. The next prime is 165050939. The reversal of 165050923 is 329050561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165050923 - 2²¹ = 162953771 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (165050983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82525461 + 82525462.

It is an arithmetic number, because the mean of its divisors is an integer number (82525462).

Almost surely, 2^165050923 is an apocalyptic number.

165050923 is a deficient number, since it is larger than the sum of its proper divisors (1).

165050923 is an equidigital number, since it uses as much as digits as its factorization.

165050923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 165050923 is about 12847.2146008386. The cubic root of 165050923 is about 548.5370742485.

The spelling of 165050923 in words is "one hundred sixty-five million, fifty thousand, nine hundred twenty-three".