423122104421 has 12 divisors (see below), whose sum is σ = 427201102692. Its totient is φ = 419081693184.

The previous prime is 423122104289. The next prime is 423122104429. The reversal of 423122104421 is 124401221324.

It can be written as a sum of positive squares in 6 ways, for example, as 24872759521 + 398249344900 = 157711^2 + 631070^2 .

It is not a de Polignac number, because 423122104421 - 2³⁰ = 422048362597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423122104429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42921125 + ... + 42930981.

It is an arithmetic number, because the mean of its divisors is an integer number (35600091891).

Almost surely, 2^423122104421 is an apocalyptic number.

It is an amenable number.

423122104421 is a deficient number, since it is larger than the sum of its proper divisors (4078998271).

423122104421 is an equidigital number, since it uses as much as digits as its factorization.

423122104421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13688 (or 13579 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 423122104421 its reverse (124401221324), we get a palindrome (547523325745).

The spelling of 423122104421 in words is "four hundred twenty-three billion, one hundred twenty-two million, one hundred four thousand, four hundred twenty-one".