3420421323 has 16 divisors (see below), whose sum is σ = 5011479936. Its totient is φ = 2057848640.

The previous prime is 3420421313. The next prime is 3420421331. The reversal of 3420421323 is 3231240243.

3420421323 is nontrivially palindromic in base 8.

It is a cyclic number.

It is not a de Polignac number, because 3420421323 - 2²¹ = 3418324171 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3420421293 and 3420421302.

It is not an unprimeable number, because it can be changed into a prime (3420421313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373761 + ... + 382802.

It is an arithmetic number, because the mean of its divisors is an integer number (313217496).

Almost surely, 2^3420421323 is an apocalyptic number.

3420421323 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3420421323 is a deficient number, since it is larger than the sum of its proper divisors (1591058613).

3420421323 is a wasteful number, since it uses less digits than its factorization.

3420421323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756714.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3420421323 is about 58484.3681935609. The cubic root of 3420421323 is about 1506.6991215294.

Adding to 3420421323 its reverse (3231240243), we get a palindrome (6651661566).

The spelling of 3420421323 in words is "three billion, four hundred twenty million, four hundred twenty-one thousand, three hundred twenty-three".