342021242120243 has 4 divisors (see below), whose sum is σ = 390881419566000. Its totient is φ = 293161064674488.

The previous prime is 342021242120221. The next prime is 342021242120273.

342021242120243 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 342021242120243 - 2⁶ = 342021242120179 is a prime.

It is a super-2 number, since 2×342021242120243² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342021242120273) 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, 24430088722868 + ... + 24430088722881.

It is an arithmetic number, because the mean of its divisors is an integer number (97720354891500).

Almost surely, 2^{342021242120243} is an apocalyptic number.

342021242120243 is a deficient number, since it is larger than the sum of its proper divisors (48860177445757).

342021242120243 is an equidigital number, since it uses as much as digits as its factorization.

342021242120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48860177445756.

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 342021242120243 in words is "three hundred forty-two trillion, twenty-one billion, two hundred forty-two million, one hundred twenty thousand, two hundred forty-three".