42320423044 has 12 divisors (see below), whose sum is σ = 75458113164. Its totient is φ = 20760962144.

The previous prime is 42320423023. The next prime is 42320423059. The reversal of 42320423044 is 44032402324.

It is a happy number.

42320423044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 15787922500 + 26532500544 = 125650^2 + 162888^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99812107 + ... + 99812530.

It is an arithmetic number, because the mean of its divisors is an integer number (6288176097).

Almost surely, 2^42320423044 is an apocalyptic number.

It is an amenable number.

42320423044 is a deficient number, since it is larger than the sum of its proper divisors (33137690120).

42320423044 is a wasteful number, since it uses less digits than its factorization.

42320423044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199624694 (or 199624692 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 42320423044 its reverse (44032402324), we get a palindrome (86352825368).

The spelling of 42320423044 in words is "forty-two billion, three hundred twenty million, four hundred twenty-three thousand, forty-four".