123013222 has 4 divisors (see below), whose sum is σ = 184519836. Its totient is φ = 61506610.

The previous prime is 123013217. The next prime is 123013237. The reversal of 123013222 is 222310321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222310321 = 163 ⋅1363867.

It is a junction number, because it is equal to n+sod(n) for n = 123013196 and 123013205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30753304 + ... + 30753307.

It is an arithmetic number, because the mean of its divisors is an integer number (46129959).

Almost surely, 2^123013222 is an apocalyptic number.

123013222 is a deficient number, since it is larger than the sum of its proper divisors (61506614).

123013222 is an equidigital number, since it uses as much as digits as its factorization.

123013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61506613.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 123013222 is about 11091.1325841863. The cubic root of 123013222 is about 497.3368026114.

Adding to 123013222 its reverse (222310321), we get a palindrome (345323543).

The spelling of 123013222 in words is "one hundred twenty-three million, thirteen thousand, two hundred twenty-two".