2104440343 has 4 divisors (see below), whose sum is σ = 2125276488. Its totient is φ = 2083604200.

The previous prime is 2104440307. The next prime is 2104440367. The reversal of 2104440343 is 3430444012.

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-2104440343 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 (2104440043) 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, 10417921 + ... + 10418122.

It is an arithmetic number, because the mean of its divisors is an integer number (531319122).

Almost surely, 2^2104440343 is an apocalyptic number.

2104440343 is a deficient number, since it is larger than the sum of its proper divisors (20836145).

2104440343 is a wasteful number, since it uses less digits than its factorization.

2104440343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836144.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2104440343 is about 45874.1794804005. The cubic root of 2104440343 is about 1281.4811027174.

Adding to 2104440343 its reverse (3430444012), we get a palindrome (5534884355).

The spelling of 2104440343 in words is "two billion, one hundred four million, four hundred forty thousand, three hundred forty-three".