164204062123 has 4 divisors (see below), whose sum is σ = 166987181880. Its totient is φ = 161420942368.

The previous prime is 164204062079. The next prime is 164204062129. The reversal of 164204062123 is 321260402461.

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 164204062123 - 2²⁹ = 163667191211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164204062129) 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, 1391559790 + ... + 1391559907.

It is an arithmetic number, because the mean of its divisors is an integer number (41746795470).

Almost surely, 2^164204062123 is an apocalyptic number.

164204062123 is a deficient number, since it is larger than the sum of its proper divisors (2783119757).

164204062123 is an equidigital number, since it uses as much as digits as its factorization.

164204062123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783119756.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 164204062123 its reverse (321260402461), we get a palindrome (485464464584).

The spelling of 164204062123 in words is "one hundred sixty-four billion, two hundred four million, sixty-two thousand, one hundred twenty-three".