123223044402342 has 32 divisors (see below), whose sum is σ = 273830223944160. Its totient is φ = 41074162676640.

The previous prime is 123223044402331. The next prime is 123223044402347. The reversal of 123223044402342 is 243204440322321.

123223044402342 is a `hidden beast` number, since 1 + 2 + 3 + 2 + 2 + 304 + 4 + 4 + 0 + 2 + 342 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 123223044402297 and 123223044402306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123223044402347) 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 15 ways as a sum of consecutive naturals, for example, 7190092 + ... + 17266832.

It is an arithmetic number, because the mean of its divisors is an integer number (8557194498255).

Almost surely, 2^{123223044402342} is an apocalyptic number.

123223044402342 is an abundant number, since it is smaller than the sum of its proper divisors (150607179541818).

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

123223044402342 is a wasteful number, since it uses less digits than its factorization.

123223044402342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10303205 (or 10303199 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 123223044402342 its reverse (243204440322321), we get a palindrome (366427484724663).

The spelling of 123223044402342 in words is "one hundred twenty-three trillion, two hundred twenty-three billion, forty-four million, four hundred two thousand, three hundred forty-two".