123303222 has 80 divisors (see below), whose sum is σ = 317813760. Its totient is φ = 35001072.

The previous prime is 123303221. The next prime is 123303233. The reversal of 123303222 is 222303321.

It is a happy number.

123303222 is a `hidden beast` number, since 12 + 330 + 322 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 123303195 and 123303204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123303221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 257179 + ... + 257657.

It is an arithmetic number, because the mean of its divisors is an integer number (3972672).

Almost surely, 2^123303222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123303222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158906880).

123303222 is an abundant number, since it is smaller than the sum of its proper divisors (194510538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123303222 is a wasteful number, since it uses less digits than its factorization.

123303222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 123303222 is about 11104.1983952017. The cubic root of 123303222 is about 497.7273147887.

Adding to 123303222 its reverse (222303321), we get a palindrome (345606543).

Subtracting 123303222 from its reverse (222303321), we obtain a palindrome (99000099).

The spelling of 123303222 in words is "one hundred twenty-three million, three hundred three thousand, two hundred twenty-two".