3440420023 has 2 divisors, whose sum is σ = 3440420024. Its totient is φ = 3440420022.

The previous prime is 3440419991. The next prime is 3440420029. The reversal of 3440420023 is 3200240443.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3440420023 - 2⁵ = 3440419991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3440419976 and 3440420003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440420029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720210011 + 1720210012.

It is an arithmetic number, because the mean of its divisors is an integer number (1720210012).

Almost surely, 2^3440420023 is an apocalyptic number.

3440420023 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440420023 is an equidigital number, since it uses as much as digits as its factorization.

3440420023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 3440420023 is about 58655.0937515234. The cubic root of 3440420023 is about 1509.6298996473.

Adding to 3440420023 its reverse (3200240443), we get a palindrome (6640660466).

The spelling of 3440420023 in words is "three billion, four hundred forty million, four hundred twenty thousand, twenty-three".