164602423 has 2 divisors, whose sum is σ = 164602424. Its totient is φ = 164602422.

The previous prime is 164602397. The next prime is 164602433. The reversal of 164602423 is 324206461.

It is a strong prime.

It is an emirp because it is prime and its reverse (324206461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 164602423 - 2⁹ = 164601911 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164602391 and 164602400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164602433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82301211 + 82301212.

It is an arithmetic number, because the mean of its divisors is an integer number (82301212).

Almost surely, 2^164602423 is an apocalyptic number.

164602423 is a deficient number, since it is larger than the sum of its proper divisors (1).

164602423 is an equidigital number, since it uses as much as digits as its factorization.

164602423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 164602423 is about 12829.7475813049. The cubic root of 164602423 is about 548.0397690339.

Adding to 164602423 its reverse (324206461), we get a palindrome (488808884).

It can be divided in two parts, 164602 and 423, that added together give a triangular number (165025 = T₅₇₄).

The spelling of 164602423 in words is "one hundred sixty-four million, six hundred two thousand, four hundred twenty-three".