164075423 has 2 divisors, whose sum is σ = 164075424. Its totient is φ = 164075422.

The previous prime is 164075413. The next prime is 164075473. The reversal of 164075423 is 324570461.

It is a weak prime.

It is an emirp because it is prime and its reverse (324570461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164075423 - 2⁴ = 164075407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 164075423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164075413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82037711 + 82037712.

It is an arithmetic number, because the mean of its divisors is an integer number (82037712).

Almost surely, 2^164075423 is an apocalyptic number.

164075423 is a deficient number, since it is larger than the sum of its proper divisors (1).

164075423 is an equidigital number, since it uses as much as digits as its factorization.

164075423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 164075423 is about 12809.1929097816. The cubic root of 164075423 is about 547.4542658295.

The spelling of 164075423 in words is "one hundred sixty-four million, seventy-five thousand, four hundred twenty-three".