104452405123 has 4 divisors (see below), whose sum is σ = 113948078328. Its totient is φ = 94956731920.

The previous prime is 104452405033. The next prime is 104452405139. The reversal of 104452405123 is 321504254401.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104452405123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104452405723) 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, 4747836586 + ... + 4747836607.

It is an arithmetic number, because the mean of its divisors is an integer number (28487019582).

Almost surely, 2^104452405123 is an apocalyptic number.

104452405123 is a deficient number, since it is larger than the sum of its proper divisors (9495673205).

104452405123 is an equidigital number, since it uses as much as digits as its factorization.

104452405123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9495673204.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 104452405123 its reverse (321504254401), we get a palindrome (425956659524).

The spelling of 104452405123 in words is "one hundred four billion, four hundred fifty-two million, four hundred five thousand, one hundred twenty-three".