34420420243 has 12 divisors (see below), whose sum is σ = 37838570224. Its totient is φ = 31287524400.

The previous prime is 34420420201. The next prime is 34420420259. The reversal of 34420420243 is 34202402443.

It is a happy number.

34420420243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 34420420243 - 2¹³ = 34420412051 is a prime.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34420420043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1704898 + ... + 1724968.

Almost surely, 2^34420420243 is an apocalyptic number.

34420420243 is a deficient number, since it is larger than the sum of its proper divisors (3418149981).

34420420243 is a wasteful number, since it uses less digits than its factorization.

34420420243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34266 (or 34255 counting only the distinct ones).

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

Adding to 34420420243 its reverse (34202402443), we get a palindrome (68622822686).

The spelling of 34420420243 in words is "thirty-four billion, four hundred twenty million, four hundred twenty thousand, two hundred forty-three".