42320103442 has 4 divisors (see below), whose sum is σ = 63480155166. Its totient is φ = 21160051720.

The previous prime is 42320103439. The next prime is 42320103481. The reversal of 42320103442 is 24430102324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36248732881 + 6071370561 = 190391^2 + 77919^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10580025859 + ... + 10580025862.

Almost surely, 2^42320103442 is an apocalyptic number.

42320103442 is a deficient number, since it is larger than the sum of its proper divisors (21160051724).

42320103442 is a wasteful number, since it uses less digits than its factorization.

42320103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21160051723.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 42320103442 its reverse (24430102324), we get a palindrome (66750205766).

The spelling of 42320103442 in words is "forty-two billion, three hundred twenty million, one hundred three thousand, four hundred forty-two".