42003255122243 has 8 divisors (see below), whose sum is σ = 42046890384576. Its totient is φ = 41959635307200.

The previous prime is 42003255122239. The next prime is 42003255122249. The reversal of 42003255122243 is 34222155230024.

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

It is a cyclic number.

It is not a de Polignac number, because 42003255122243 - 2² = 42003255122239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42003255122249) 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, 1583255 + ... + 9301247.

It is an arithmetic number, because the mean of its divisors is an integer number (5255861298072).

Almost surely, 2^{42003255122243} is an apocalyptic number.

42003255122243 is a deficient number, since it is larger than the sum of its proper divisors (43635262333).

42003255122243 is a wasteful number, since it uses less digits than its factorization.

42003255122243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723645.

The product of its (nonzero) digits is 115200, while the sum is 35.

The spelling of 42003255122243 in words is "forty-two trillion, three billion, two hundred fifty-five million, one hundred twenty-two thousand, two hundred forty-three".