3420443023 has 4 divisors (see below), whose sum is σ = 3600466360. Its totient is φ = 3240419688.

The previous prime is 3420443017. The next prime is 3420443051. The reversal of 3420443023 is 3203440243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3203440243 = 397 ⋅8069119.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3420443023 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 (3420443083) 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, 90011640 + ... + 90011677.

It is an arithmetic number, because the mean of its divisors is an integer number (900116590).

Almost surely, 2^3420443023 is an apocalyptic number.

3420443023 is a deficient number, since it is larger than the sum of its proper divisors (180023337).

3420443023 is a wasteful number, since it uses less digits than its factorization.

3420443023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180023336.

The product of its (nonzero) digits is 6912, while the sum is 25.

The square root of 3420443023 is about 58484.5537129249. The cubic root of 3420443023 is about 1506.7023078135.

Adding to 3420443023 its reverse (3203440243), we get a palindrome (6623883266).

The spelling of 3420443023 in words is "three billion, four hundred twenty million, four hundred forty-three thousand, twenty-three".