422123031 has 12 divisors (see below), whose sum is σ = 665163720. Its totient is φ = 255832080.

The previous prime is 422123029. The next prime is 422123041. The reversal of 422123031 is 130321224.

It is not a de Polignac number, because 422123031 - 2¹ = 422123029 is a prime.

It is a super-2 number, since 2×422123031² = 356375706601253922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 422122995 and 422123013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422123021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2131836 + ... + 2132033.

It is an arithmetic number, because the mean of its divisors is an integer number (55430310).

Almost surely, 2^422123031 is an apocalyptic number.

422123031 is a deficient number, since it is larger than the sum of its proper divisors (243040689).

422123031 is a wasteful number, since it uses less digits than its factorization.

422123031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263886 (or 4263883 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 422123031 is about 20545.6328936346. The cubic root of 422123031 is about 750.1469525381.

Adding to 422123031 its reverse (130321224), we get a palindrome (552444255).

The spelling of 422123031 in words is "four hundred twenty-two million, one hundred twenty-three thousand, thirty-one".