42020323113343 has 4 divisors (see below), whose sum is σ = 42038745002128. Its totient is φ = 42001901224560.

The previous prime is 42020323113319. The next prime is 42020323113371. The reversal of 42020323113343 is 34331132302024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 42020323113343 - 2⁵ = 42020323113311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020323183343) 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, 9210940971 + ... + 9210945532.

It is an arithmetic number, because the mean of its divisors is an integer number (10509686250532).

Almost surely, 2^{42020323113343} is an apocalyptic number.

42020323113343 is a deficient number, since it is larger than the sum of its proper divisors (18421888785).

42020323113343 is a wasteful number, since it uses less digits than its factorization.

42020323113343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421888784.

The product of its (nonzero) digits is 31104, while the sum is 31.

Adding to 42020323113343 its reverse (34331132302024), we get a palindrome (76351455415367).

The spelling of 42020323113343 in words is "forty-two trillion, twenty billion, three hundred twenty-three million, one hundred thirteen thousand, three hundred forty-three".