164144023 has 2 divisors, whose sum is σ = 164144024. Its totient is φ = 164144022.

The previous prime is 164144009. The next prime is 164144041. The reversal of 164144023 is 320441461.

164144023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164144023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164144093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82072011 + 82072012.

It is an arithmetic number, because the mean of its divisors is an integer number (82072012).

Almost surely, 2^164144023 is an apocalyptic number.

164144023 is a deficient number, since it is larger than the sum of its proper divisors (1).

164144023 is an equidigital number, since it uses as much as digits as its factorization.

164144023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 164144023 is about 12811.8703942867. The cubic root of 164144023 is about 547.5305521478.

Adding to 164144023 its reverse (320441461), we get a palindrome (484585484).

The spelling of 164144023 in words is "one hundred sixty-four million, one hundred forty-four thousand, twenty-three".