123011102442 has 8 divisors (see below), whose sum is σ = 246022204896. Its totient is φ = 41003700812.

The previous prime is 123011102381. The next prime is 123011102443. The reversal of 123011102442 is 244201110321.

It is a sphenic number, since it is the product of 3 distinct primes.

123011102442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (123011102443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10250925198 + ... + 10250925209.

It is an arithmetic number, because the mean of its divisors is an integer number (30752775612).

Almost surely, 2^123011102442 is an apocalyptic number.

123011102442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123011102442 is a wasteful number, since it uses less digits than its factorization.

123011102442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20501850412.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 123011102442 its reverse (244201110321), we get a palindrome (367212212763).

The spelling of 123011102442 in words is "one hundred twenty-three billion, eleven million, one hundred two thousand, four hundred forty-two".