42201200243 has 4 divisors (see below), whose sum is σ = 42239461728. Its totient is φ = 42162938760.

The previous prime is 42201200227. The next prime is 42201200291. The reversal of 42201200243 is 34200210224.

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 42201200243 - 2⁴ = 42201200227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42201200203) 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, 19129088 + ... + 19131293.

It is an arithmetic number, because the mean of its divisors is an integer number (10559865432).

Almost surely, 2^42201200243 is an apocalyptic number.

42201200243 is a deficient number, since it is larger than the sum of its proper divisors (38261485).

42201200243 is a wasteful number, since it uses less digits than its factorization.

42201200243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38261484.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42201200243 its reverse (34200210224), we get a palindrome (76401410467).

The spelling of 42201200243 in words is "forty-two billion, two hundred one million, two hundred thousand, two hundred forty-three".