342121243 has 8 divisors (see below), whose sum is σ = 365571360. Its totient is φ = 319040640.

The previous prime is 342121237. The next prime is 342121249.

342121243 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (342121237) and next prime (342121249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342121243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342121249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90463 + ... + 94168.

It is an arithmetic number, because the mean of its divisors is an integer number (45696420).

Almost surely, 2^342121243 is an apocalyptic number.

342121243 is a deficient number, since it is larger than the sum of its proper divisors (23450117).

342121243 is a wasteful number, since it uses less digits than its factorization.

342121243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184757.

The product of its digits is 1152, while the sum is 22.

The square root of 342121243 is about 18496.5197537266. The cubic root of 342121243 is about 699.4016948838.

The spelling of 342121243 in words is "three hundred forty-two million, one hundred twenty-one thousand, two hundred forty-three".