342421121124223 has 2 divisors, whose sum is σ = 342421121124224. Its totient is φ = 342421121124222.

The previous prime is 342421121124197. The next prime is 342421121124307. The reversal of 342421121124223 is 322421121124243.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (322421121124243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342421121124223 - 2²⁹ = 342420584253311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342421121164223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171210560562111 + 171210560562112.

It is an arithmetic number, because the mean of its divisors is an integer number (171210560562112).

Almost surely, 2^{342421121124223} is an apocalyptic number.

342421121124223 is a deficient number, since it is larger than the sum of its proper divisors (1).

342421121124223 is an equidigital number, since it uses as much as digits as its factorization.

342421121124223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 34.

Adding to 342421121124223 its reverse (322421121124243), we get a palindrome (664842242248466).

The spelling of 342421121124223 in words is "three hundred forty-two trillion, four hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-four thousand, two hundred twenty-three".