42343240200122 has 4 divisors (see below), whose sum is σ = 63514860300186. Its totient is φ = 21171620100060.

The previous prime is 42343240200097. The next prime is 42343240200167. The reversal of 42343240200122 is 22100204234324.

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

It can be written as a sum of positive squares in only one way, i.e., 28505145238441 + 13838094961681 = 5339021^2 + 3719959^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10585810050029 + ... + 10585810050032.

Almost surely, 2^{42343240200122} is an apocalyptic number.

42343240200122 is a deficient number, since it is larger than the sum of its proper divisors (21171620100064).

42343240200122 is a wasteful number, since it uses less digits than its factorization.

42343240200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21171620100063.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 42343240200122 its reverse (22100204234324), we get a palindrome (64443444434446).

The spelling of 42343240200122 in words is "forty-two trillion, three hundred forty-three billion, two hundred forty million, two hundred thousand, one hundred twenty-two".