203041200423 has 4 divisors (see below), whose sum is σ = 270721600568. Its totient is φ = 135360800280.

The previous prime is 203041200367. The next prime is 203041200437. The reversal of 203041200423 is 324002140302.

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

It is not a de Polignac number, because 203041200423 - 2¹⁶ = 203041134887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 203041200423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203041200443) 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, 33840200068 + ... + 33840200073.

It is an arithmetic number, because the mean of its divisors is an integer number (67680400142).

Almost surely, 2^203041200423 is an apocalyptic number.

203041200423 is a deficient number, since it is larger than the sum of its proper divisors (67680400145).

203041200423 is an equidigital number, since it uses as much as digits as its factorization.

203041200423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67680400144.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 203041200423 its reverse (324002140302), we get a palindrome (527043340725).

The spelling of 203041200423 in words is "two hundred three billion, forty-one million, two hundred thousand, four hundred twenty-three".