342125505521243 has 4 divisors (see below), whose sum is σ = 342125567002128. Its totient is φ = 342125444040360.

The previous prime is 342125505521153. The next prime is 342125505521341.

342125505521243 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 342125505521243 - 2¹⁶ = 342125505455707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 342125505521194 and 342125505521203.

It is not an unprimeable number, because it can be changed into a prime (342125505521543) 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, 21459263 + ... + 33834168.

It is an arithmetic number, because the mean of its divisors is an integer number (85531391750532).

Almost surely, 2^{342125505521243} is an apocalyptic number.

342125505521243 is a deficient number, since it is larger than the sum of its proper divisors (61480885).

342125505521243 is an equidigital number, since it uses as much as digits as its factorization.

342125505521243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61480884.

The product of its (nonzero) digits is 1440000, while the sum is 44.

It can be divided in two parts, 34212550 and 5521243, that added together give a palindrome (39733793).

The spelling of 342125505521243 in words is "three hundred forty-two trillion, one hundred twenty-five billion, five hundred five million, five hundred twenty-one thousand, two hundred forty-three".