423020405123 has 8 divisors (see below), whose sum is σ = 423332910000. Its totient is φ = 422707968000.

The previous prime is 423020405117. The next prime is 423020405147. The reversal of 423020405123 is 321504020324.

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 423020405123 - 2²⁸ = 422751969667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423020405092 and 423020405101.

It is not an unprimeable number, because it can be changed into a prime (423020485123) 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, 26025503 + ... + 26041751.

It is an arithmetic number, because the mean of its divisors is an integer number (52916613750).

Almost surely, 2^423020405123 is an apocalyptic number.

423020405123 is a deficient number, since it is larger than the sum of its proper divisors (312504877).

423020405123 is a wasteful number, since it uses less digits than its factorization.

423020405123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33877.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 423020405123 its reverse (321504020324), we get a palindrome (744524425447).

The spelling of 423020405123 in words is "four hundred twenty-three billion, twenty million, four hundred five thousand, one hundred twenty-three".