164347423 has 2 divisors, whose sum is σ = 164347424. Its totient is φ = 164347422.

The previous prime is 164347411. The next prime is 164347441. The reversal of 164347423 is 324743461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 164347423 - 2⁹ = 164346911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164347123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82173711 + 82173712.

It is an arithmetic number, because the mean of its divisors is an integer number (82173712).

Almost surely, 2^164347423 is an apocalyptic number.

164347423 is a deficient number, since it is larger than the sum of its proper divisors (1).

164347423 is an equidigital number, since it uses as much as digits as its factorization.

164347423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 164347423 is about 12819.8058877660. The cubic root of 164347423 is about 547.7566173299.

The spelling of 164347423 in words is "one hundred sixty-four million, three hundred forty-seven thousand, four hundred twenty-three".