123322230 has 64 divisors (see below), whose sum is σ = 332881920. Its totient is φ = 32483808.

The previous prime is 123322187. The next prime is 123322231. The reversal of 123322230 is 32223321.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123322231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19659 + ... + 25161.

It is an arithmetic number, because the mean of its divisors is an integer number (5201280).

Almost surely, 2^123322230 is an apocalyptic number.

123322230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 123322230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166440960).

123322230 is an abundant number, since it is smaller than the sum of its proper divisors (209559690).

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

123322230 is a wasteful number, since it uses less digits than its factorization.

123322230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602 (or 5596 counting only the distinct ones).

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

The square root of 123322230 is about 11105.0542547076. The cubic root of 123322230 is about 497.7528894508.

Adding to 123322230 its reverse (32223321), we get a palindrome (155545551).

The spelling of 123322230 in words is "one hundred twenty-three million, three hundred twenty-two thousand, two hundred thirty".