422131123 has 4 divisors (see below), whose sum is σ = 435748288. Its totient is φ = 408513960.

The previous prime is 422131117. The next prime is 422131141. The reversal of 422131123 is 321131224.

It is a happy number.

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 422131123 - 2⁵ = 422131091 is a prime.

It is a super-2 number, since 2×422131123² = 356389370010482258, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 422131123.

It is not an unprimeable number, because it can be changed into a prime (422131153) 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, 6808536 + ... + 6808597.

It is an arithmetic number, because the mean of its divisors is an integer number (108937072).

Almost surely, 2^422131123 is an apocalyptic number.

422131123 is a deficient number, since it is larger than the sum of its proper divisors (13617165).

422131123 is a wasteful number, since it uses less digits than its factorization.

422131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13617164.

The product of its digits is 288, while the sum is 19.

The square root of 422131123 is about 20545.8298201849. The cubic root of 422131123 is about 750.1517458881.

Adding to 422131123 its reverse (321131224), we get a palindrome (743262347).

It can be divided in two parts, 4221 and 31123, that added together give a square (35344 = 188²).

The spelling of 422131123 in words is "four hundred twenty-two million, one hundred thirty-one thousand, one hundred twenty-three".