422556123 has 8 divisors (see below), whose sum is σ = 614627136. Its totient is φ = 256094600.

The previous prime is 422556119. The next prime is 422556137. The reversal of 422556123 is 321655224.

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 422556123 - 2² = 422556119 is a prime.

It is a super-2 number, since 2×422556123² = 357107354169582258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (422556163) 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, 6402333 + ... + 6402398.

It is an arithmetic number, because the mean of its divisors is an integer number (76828392).

Almost surely, 2^422556123 is an apocalyptic number.

422556123 is a deficient number, since it is larger than the sum of its proper divisors (192071013).

422556123 is a wasteful number, since it uses less digits than its factorization.

422556123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804745.

The product of its digits is 14400, while the sum is 30.

The square root of 422556123 is about 20556.1699496769. The cubic root of 422556123 is about 750.4034114178.

The spelling of 422556123 in words is "four hundred twenty-two million, five hundred fifty-six thousand, one hundred twenty-three".