42001223203 has 4 divisors (see below), whose sum is σ = 42128115448. Its totient is φ = 41874330960.

The previous prime is 42001223191. The next prime is 42001223221. The reversal of 42001223203 is 30232210024.

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 42001223203 - 2⁵ = 42001223171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42001223903) 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, 63445626 + ... + 63446287.

It is an arithmetic number, because the mean of its divisors is an integer number (10532028862).

Almost surely, 2^42001223203 is an apocalyptic number.

42001223203 is a deficient number, since it is larger than the sum of its proper divisors (126892245).

42001223203 is a wasteful number, since it uses less digits than its factorization.

42001223203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126892244.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 42001223203 its reverse (30232210024), we get a palindrome (72233433227).

The spelling of 42001223203 in words is "forty-two billion, one million, two hundred twenty-three thousand, two hundred three".