164454601124123 has 4 divisors (see below), whose sum is σ = 165315619978368. Its totient is φ = 163593582269880.

The previous prime is 164454601124083. The next prime is 164454601124129. The reversal of 164454601124123 is 321421106454461.

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 164454601124123 - 2³² = 164450306156827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164454601124129) 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, 430509426836 + ... + 430509427217.

It is an arithmetic number, because the mean of its divisors is an integer number (41328904994592).

Almost surely, 2^{164454601124123} is an apocalyptic number.

164454601124123 is a deficient number, since it is larger than the sum of its proper divisors (861018854245).

164454601124123 is an equidigital number, since it uses as much as digits as its factorization.

164454601124123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861018854244.

The product of its (nonzero) digits is 552960, while the sum is 44.

Adding to 164454601124123 its reverse (321421106454461), we get a palindrome (485875707578584).

The spelling of 164454601124123 in words is "one hundred sixty-four trillion, four hundred fifty-four billion, six hundred one million, one hundred twenty-four thousand, one hundred twenty-three".