164023 has 2 divisors, whose sum is σ = 164024. Its totient is φ = 164022.

The previous prime is 164011. The next prime is 164039. The reversal of 164023 is 320461.

It is an a-pointer prime, because the next prime (164039) can be obtained adding 164023 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164023 - 2⁵ = 163991 is a prime.

164023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 163988 and 164006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82011 + 82012.

It is an arithmetic number, because the mean of its divisors is an integer number (82012).

2¹⁶⁴⁰²³ is an apocalyptic number.

164023 is a deficient number, since it is larger than the sum of its proper divisors (1).

164023 is an equidigital number, since it uses as much as digits as its factorization.

164023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 164023 is about 404.9975308567. The cubic root of 164023 is about 54.7395954736.

Adding to 164023 its reverse (320461), we get a palindrome (484484).

The spelling of 164023 in words is "one hundred sixty-four thousand, twenty-three".