123304040142 has 32 divisors (see below), whose sum is σ = 254953267200. Its totient is φ = 39714545760.

The previous prime is 123304040081. The next prime is 123304040179. The reversal of 123304040142 is 241040403321.

123304040142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386142 + ... + 629057.

It is an arithmetic number, because the mean of its divisors is an integer number (7967289600).

Almost surely, 2^123304040142 is an apocalyptic number.

123304040142 is an abundant number, since it is smaller than the sum of its proper divisors (131649227058).

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

123304040142 is a wasteful number, since it uses less digits than its factorization.

123304040142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015888.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 123304040142 its reverse (241040403321), we get a palindrome (364344443463).

The spelling of 123304040142 in words is "one hundred twenty-three billion, three hundred four million, forty thousand, one hundred forty-two".