123331030122 has 16 divisors (see below), whose sum is σ = 248436609120. Its totient is φ = 40814585232.

The previous prime is 123331030117. The next prime is 123331030129. The reversal of 123331030122 is 221030133321.

It is not an unprimeable number, because it can be changed into a prime (123331030129) 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 7 ways as a sum of consecutive naturals, for example, 73938633 + ... + 73940300.

It is an arithmetic number, because the mean of its divisors is an integer number (15527288070).

Almost surely, 2^123331030122 is an apocalyptic number.

123331030122 is an abundant number, since it is smaller than the sum of its proper divisors (125105578998).

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

123331030122 is a wasteful number, since it uses less digits than its factorization.

123331030122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147879077.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 123331030122 its reverse (221030133321), we get a palindrome (344361163443).

The spelling of 123331030122 in words is "one hundred twenty-three billion, three hundred thirty-one million, thirty thousand, one hundred twenty-two".