422030123 has 4 divisors (see below), whose sum is σ = 422626080. Its totient is φ = 421434168.

The previous prime is 422030111. The next prime is 422030153. The reversal of 422030123 is 321030224.

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 422030123 - 2¹⁰ = 422029099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422030153) 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, 296915 + ... + 298332.

It is an arithmetic number, because the mean of its divisors is an integer number (105656520).

Almost surely, 2^422030123 is an apocalyptic number.

422030123 is a deficient number, since it is larger than the sum of its proper divisors (595957).

422030123 is an equidigital number, since it uses as much as digits as its factorization.

422030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595956.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 422030123 is about 20543.3717534391. The cubic root of 422030123 is about 750.0919134762.

Adding to 422030123 its reverse (321030224), we get a palindrome (743060347).

It can be divided in two parts, 4220 and 30123, that added together give a palindrome (34343).

The spelling of 422030123 in words is "four hundred twenty-two million, thirty thousand, one hundred twenty-three".