164144424434123 has 8 divisors (see below), whose sum is σ = 189853792117248. Its totient is φ = 139000097799144.

The previous prime is 164144424434117. The next prime is 164144424434171. The reversal of 164144424434123 is 321434424441461.

164144424434123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164144424434123 - 2⁶ = 164144424434059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164144424434173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141260261411 + ... + 141260262572.

It is an arithmetic number, because the mean of its divisors is an integer number (23731724014656).

Almost surely, 2^{164144424434123} is an apocalyptic number.

164144424434123 is a deficient number, since it is larger than the sum of its proper divisors (25709367683125).

164144424434123 is an equidigital number, since it uses as much as digits as its factorization.

164144424434123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282520524073.

The product of its digits is 3538944, while the sum is 47.

Adding to 164144424434123 its reverse (321434424441461), we get a palindrome (485578848875584).

The spelling of 164144424434123 in words is "one hundred sixty-four trillion, one hundred forty-four billion, four hundred twenty-four million, four hundred thirty-four thousand, one hundred twenty-three".