2343444421 has 4 divisors (see below), whose sum is σ = 2400601644. Its totient is φ = 2286287200.

The previous prime is 2343444419. The next prime is 2343444427. The reversal of 2343444421 is 1244443432.

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

It can be written as a sum of positive squares in 2 ways, for example, as 142802500 + 2200641921 = 11950^2 + 46911^2 .

It is a cyclic number.

It is not a de Polignac number, because 2343444421 - 2¹ = 2343444419 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 (2343444427) 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, 28578550 + ... + 28578631.

It is an arithmetic number, because the mean of its divisors is an integer number (600150411).

Almost surely, 2^2343444421 is an apocalyptic number.

It is an amenable number.

2343444421 is a deficient number, since it is larger than the sum of its proper divisors (57157223).

2343444421 is an equidigital number, since it uses as much as digits as its factorization.

2343444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57157222.

The product of its digits is 36864, while the sum is 31.

The square root of 2343444421 is about 48409.1357183745. The cubic root of 2343444421 is about 1328.2654798771.

Adding to 2343444421 its reverse (1244443432), we get a palindrome (3587887853).

The spelling of 2343444421 in words is "two billion, three hundred forty-three million, four hundred forty-four thousand, four hundred twenty-one".