164134123 has 4 divisors (see below), whose sum is σ = 164607480. Its totient is φ = 163660768.

The previous prime is 164134073. The next prime is 164134127. The reversal of 164134123 is 321431461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164134123 - 2¹³ = 164125931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164134127) 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, 236158 + ... + 236851.

It is an arithmetic number, because the mean of its divisors is an integer number (41151870).

Almost surely, 2^164134123 is an apocalyptic number.

164134123 is a deficient number, since it is larger than the sum of its proper divisors (473357).

164134123 is an equidigital number, since it uses as much as digits as its factorization.

164134123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473356.

The product of its digits is 1728, while the sum is 25.

The square root of 164134123 is about 12811.4840280117. The cubic root of 164134123 is about 547.5195442103.

Adding to 164134123 its reverse (321431461), we get a palindrome (485565584).

The spelling of 164134123 in words is "one hundred sixty-four million, one hundred thirty-four thousand, one hundred twenty-three".