422523123 has 16 divisors (see below), whose sum is σ = 615611136. Its totient is φ = 255644640.

The previous prime is 422523119. The next prime is 422523137. The reversal of 422523123 is 321325224.

It is not a de Polignac number, because 422523123 - 2² = 422523119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 422523093 and 422523102.

It is not an unprimeable number, because it can be changed into a prime (422523103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9786 + ... + 30672.

It is an arithmetic number, because the mean of its divisors is an integer number (38475696).

Almost surely, 2^422523123 is an apocalyptic number.

422523123 is a deficient number, since it is larger than the sum of its proper divisors (193088013).

422523123 is a wasteful number, since it uses less digits than its factorization.

422523123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21514.

The product of its digits is 2880, while the sum is 24.

The square root of 422523123 is about 20555.3672552937. The cubic root of 422523123 is about 750.3838763739.

Adding to 422523123 its reverse (321325224), we get a palindrome (743848347).

The spelling of 422523123 in words is "four hundred twenty-two million, five hundred twenty-three thousand, one hundred twenty-three".