123332202042 has 128 divisors (see below), whose sum is σ = 296137949184. Its totient is φ = 33479802048.

The previous prime is 123332202041. The next prime is 123332202053. The reversal of 123332202042 is 240202233321.

It is not an unprimeable number, because it can be changed into a prime (123332202041) 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 63 ways as a sum of consecutive naturals, for example, 149131633 + ... + 149132459.

It is an arithmetic number, because the mean of its divisors is an integer number (2313577728).

Almost surely, 2^123332202042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 123332202042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148068974592).

123332202042 is an abundant number, since it is smaller than the sum of its proper divisors (172805747142).

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

123332202042 is a wasteful number, since it uses less digits than its factorization.

123332202042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 123332202042 its reverse (240202233321), we get a palindrome (363534435363).

The spelling of 123332202042 in words is "one hundred twenty-three billion, three hundred thirty-two million, two hundred two thousand, forty-two".