243670121076342 has 16 divisors (see below), whose sum is σ = 487341221917680. Its totient is φ = 81223210397952.

The previous prime is 243670121076337. The next prime is 243670121076439.

243670121076342 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 243670121076291 and 243670121076300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37570467 + ... + 43576142.

It is an arithmetic number, because the mean of its divisors is an integer number (30458826369855).

Almost surely, 2^{243670121076342} is an apocalyptic number.

243670121076342 is an abundant number, since it is smaller than the sum of its proper divisors (243671100841338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243670121076342 is a wasteful number, since it uses less digits than its factorization.

243670121076342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81647087.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 243670121076342 in words is "two hundred forty-three trillion, six hundred seventy billion, one hundred twenty-one million, seventy-six thousand, three hundred forty-two".