3440404023 has 24 divisors (see below), whose sum is σ = 5351594112. Its totient is φ = 1960250544.

The previous prime is 3440404021. The next prime is 3440404031. The reversal of 3440404023 is 3204040443.

It is a happy number.

It is not a de Polignac number, because 3440404023 - 2¹ = 3440404021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3440403984 and 3440404002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440404021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17286 + ... + 84732.

It is an arithmetic number, because the mean of its divisors is an integer number (222983088).

Almost surely, 2^3440404023 is an apocalyptic number.

3440404023 is a deficient number, since it is larger than the sum of its proper divisors (1911190089).

3440404023 is a wasteful number, since it uses less digits than its factorization.

3440404023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67811 (or 67804 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 3440404023 is about 58654.9573608233. The cubic root of 3440404023 is about 1509.6275594179.

Adding to 3440404023 its reverse (3204040443), we get a palindrome (6644444466).

The spelling of 3440404023 in words is "three billion, four hundred forty million, four hundred four thousand, twenty-three".