123223112 has 8 divisors (see below), whose sum is σ = 231043350. Its totient is φ = 61611552.

The previous prime is 123223103. The next prime is 123223181. The reversal of 123223112 is 211322321.

It can be written as a sum of positive squares in only one way, i.e., 94984516 + 28238596 = 9746^2 + 5314^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7701437 + ... + 7701452.

Almost surely, 2^123223112 is an apocalyptic number.

It is an amenable number.

123223112 is a deficient number, since it is larger than the sum of its proper divisors (107820238).

123223112 is a wasteful number, since it uses less digits than its factorization.

123223112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15402895 (or 15402891 counting only the distinct ones).

The product of its digits is 144, while the sum is 17.

The square root of 123223112 is about 11100.5906149177. The cubic root of 123223112 is about 497.6195004299.

Adding to 123223112 its reverse (211322321), we get a palindrome (334545433).

The spelling of 123223112 in words is "one hundred twenty-three million, two hundred twenty-three thousand, one hundred twelve".