342316202215123 has 4 divisors (see below), whose sum is σ = 342456668447440. Its totient is φ = 342175735982808.

The previous prime is 342316202215067. The next prime is 342316202215153. The reversal of 342316202215123 is 321512202613243.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342316202215123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342316202215153) 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, 70233112503 + ... + 70233117376.

It is an arithmetic number, because the mean of its divisors is an integer number (85614167111860).

Almost surely, 2^{342316202215123} is an apocalyptic number.

342316202215123 is a deficient number, since it is larger than the sum of its proper divisors (140466232317).

342316202215123 is a wasteful number, since it uses less digits than its factorization.

342316202215123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140466232316.

The product of its (nonzero) digits is 103680, while the sum is 37.

Adding to 342316202215123 its reverse (321512202613243), we get a palindrome (663828404828366).

The spelling of 342316202215123 in words is "three hundred forty-two trillion, three hundred sixteen billion, two hundred two million, two hundred fifteen thousand, one hundred twenty-three".