42413323243 has 4 divisors (see below), whose sum is σ = 42448004208. Its totient is φ = 42378642280.

The previous prime is 42413323217. The next prime is 42413323247. The reversal of 42413323243 is 34232331424.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42413323243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42413323247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17338648 + ... + 17341093.

It is an arithmetic number, because the mean of its divisors is an integer number (10612001052).

Almost surely, 2^42413323243 is an apocalyptic number.

42413323243 is a deficient number, since it is larger than the sum of its proper divisors (34680965).

42413323243 is a wasteful number, since it uses less digits than its factorization.

42413323243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34680964.

The product of its digits is 41472, while the sum is 31.

Adding to 42413323243 its reverse (34232331424), we get a palindrome (76645654667).

The spelling of 42413323243 in words is "forty-two billion, four hundred thirteen million, three hundred twenty-three thousand, two hundred forty-three".