203223011135 has 4 divisors (see below), whose sum is σ = 243867613368. Its totient is φ = 162578408904.

The previous prime is 203223011099. The next prime is 203223011143. The reversal of 203223011135 is 531110322302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203223011135 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 203223011135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20322301109 + ... + 20322301118.

It is an arithmetic number, because the mean of its divisors is an integer number (60966903342).

Almost surely, 2^203223011135 is an apocalyptic number.

203223011135 is a deficient number, since it is larger than the sum of its proper divisors (40644602233).

203223011135 is an equidigital number, since it uses as much as digits as its factorization.

203223011135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40644602232.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 203223011135 its reverse (531110322302), we get a palindrome (734333333437).

The spelling of 203223011135 in words is "two hundred three billion, two hundred twenty-three million, eleven thousand, one hundred thirty-five".