3421231642523 has 2 divisors, whose sum is σ = 3421231642524. Its totient is φ = 3421231642522.

The previous prime is 3421231642463. The next prime is 3421231642531. The reversal of 3421231642523 is 3252461321243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3421231642523 - 2²⁰ = 3421230593947 is a prime.

It is not a weakly prime, because it can be changed into another prime (3421231642583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710615821261 + 1710615821262.

It is an arithmetic number, because the mean of its divisors is an integer number (1710615821262).

Almost surely, 2^{3421231642523} is an apocalyptic number.

3421231642523 is a deficient number, since it is larger than the sum of its proper divisors (1).

3421231642523 is an equidigital number, since it uses as much as digits as its factorization.

3421231642523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 38.

Adding to 3421231642523 its reverse (3252461321243), we get a palindrome (6673692963766).

The spelling of 3421231642523 in words is "three trillion, four hundred twenty-one billion, two hundred thirty-one million, six hundred forty-two thousand, five hundred twenty-three".