23442042042 has 12 divisors (see below), whose sum is σ = 50791091130. Its totient is φ = 7814014008.

The previous prime is 23442042017. The next prime is 23442042049. The reversal of 23442042042 is 24024024432.

23442042042 is a `hidden beast` number, since 2 + 34 + 420 + 4 + 204 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20998618281 + 2443423761 = 144909^2 + 49431^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23442041997 and 23442042015.

It is not an unprimeable number, because it can be changed into a prime (23442042049) 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 5 ways as a sum of consecutive naturals, for example, 651167817 + ... + 651167852.

Almost surely, 2^23442042042 is an apocalyptic number.

23442042042 is an abundant number, since it is smaller than the sum of its proper divisors (27349049088).

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

23442042042 is a wasteful number, since it uses less digits than its factorization.

23442042042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1302335677 (or 1302335674 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 23442042042 its reverse (24024024432), we get a palindrome (47466066474).

The spelling of 23442042042 in words is "twenty-three billion, four hundred forty-two million, forty-two thousand, forty-two".