42303402321442 has 8 divisors (see below), whose sum is σ = 63455131361196. Its totient is φ = 21151691867712.

The previous prime is 42303402321431. The next prime is 42303402321463. The reversal of 42303402321442 is 24412320430324.

It can be written as a sum of positive squares in 2 ways, for example, as 31958681546401 + 10344720775041 = 5653201^2 + 3216321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42303402321398 and 42303402321407.

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, 5314638 + ... + 10623190.

Almost surely, 2^{42303402321442} is an apocalyptic number.

42303402321442 is a deficient number, since it is larger than the sum of its proper divisors (21151729039754).

42303402321442 is a wasteful number, since it uses less digits than its factorization.

42303402321442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9293012.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 42303402321442 its reverse (24412320430324), we get a palindrome (66715722751766).

The spelling of 42303402321442 in words is "forty-two trillion, three hundred three billion, four hundred two million, three hundred twenty-one thousand, four hundred forty-two".