3421204143523 has 2 divisors, whose sum is σ = 3421204143524. Its totient is φ = 3421204143522.

The previous prime is 3421204143463. The next prime is 3421204143547. The reversal of 3421204143523 is 3253414021243.

It is a strong prime.

It is an emirp because it is prime and its reverse (3253414021243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3421204143523 - 2³³ = 3412614208931 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421204143593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710602071761 + 1710602071762.

It is an arithmetic number, because the mean of its divisors is an integer number (1710602071762).

Almost surely, 2^{3421204143523} is an apocalyptic number.

3421204143523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421204143523 is an equidigital number, since it uses as much as digits as its factorization.

3421204143523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 3421204143523 its reverse (3253414021243), we get a palindrome (6674618164766).

It can be divided in two parts, 3421 and 204143523, that added together give a square (204146944 = 14288²).

The spelling of 3421204143523 in words is "three trillion, four hundred twenty-one billion, two hundred four million, one hundred forty-three thousand, five hundred twenty-three".