123233333402442 has 96 divisors (see below), whose sum is σ = 261343619389440. Its totient is φ = 38733002146080.

The previous prime is 123233333402407. The next prime is 123233333402447. The reversal of 123233333402442 is 244204333332321.

It is a super-2 number, since 2×123233333402442² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 123233333402442.

It is not an unprimeable number, because it can be changed into a prime (123233333402447) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2497661409 + ... + 2497710747.

It is an arithmetic number, because the mean of its divisors is an integer number (2722329368640).

Almost surely, 2^{123233333402442} is an apocalyptic number.

123233333402442 is an abundant number, since it is smaller than the sum of its proper divisors (138110285986998).

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

123233333402442 is a wasteful number, since it uses less digits than its factorization.

123233333402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54776 (or 54757 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 39.

Adding to 123233333402442 its reverse (244204333332321), we get a palindrome (367437666734763).

The spelling of 123233333402442 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, three hundred thirty-three million, four hundred two thousand, four hundred forty-two".