164064223423 has 4 divisors (see below), whose sum is σ = 164070210640. Its totient is φ = 164058236208.

The previous prime is 164064223417. The next prime is 164064223429. The reversal of 164064223423 is 324322460461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 324322460461 = 809 ⋅400893029.

It is an interprime number because it is at equal distance from previous prime (164064223417) and next prime (164064223429).

It is a cyclic number.

It is not a de Polignac number, because 164064223423 - 2⁹ = 164064222911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164064223429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2952315 + ... + 3007372.

It is an arithmetic number, because the mean of its divisors is an integer number (41017552660).

Almost surely, 2^164064223423 is an apocalyptic number.

164064223423 is a deficient number, since it is larger than the sum of its proper divisors (5987217).

164064223423 is an equidigital number, since it uses as much as digits as its factorization.

164064223423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5987216.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 164064223423 its reverse (324322460461), we get a palindrome (488386683884).

The spelling of 164064223423 in words is "one hundred sixty-four billion, sixty-four million, two hundred twenty-three thousand, four hundred twenty-three".