164923 has 12 divisors (see below), whose sum is σ = 191520. Its totient is φ = 141680.

The previous prime is 164911. The next prime is 164953. The reversal of 164923 is 329461.

It is not a de Polignac number, because 164923 - 2¹⁷ = 33851 is a prime.

It is a Duffinian number.

164923 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (164953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3486 + ... + 3532.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2¹⁶⁴⁹²³ is an apocalyptic number.

164923 is a deficient number, since it is larger than the sum of its proper divisors (26597).

164923 is a wasteful number, since it uses less digits than its factorization.

164923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98 (or 87 counting only the distinct ones).

The product of its digits is 1296, while the sum is 25.

The square root of 164923 is about 406.1071287234. The cubic root of 164923 is about 54.8395322755.

The spelling of 164923 in words is "one hundred sixty-four thousand, nine hundred twenty-three".