203223044431 has 8 divisors (see below), whose sum is σ = 222922718928. Its totient is φ = 183727512000.

The previous prime is 203223044429. The next prime is 203223044533. The reversal of 203223044431 is 134440322302.

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 203223044431 - 2¹ = 203223044429 is a prime.

It is a super-2 number, since 2×203223044431² (a number of 23 digits) contains 22 as substring.

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 203223044431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203223044831) 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, 51033430 + ... + 51037411.

It is an arithmetic number, because the mean of its divisors is an integer number (27865339866).

Almost surely, 2^203223044431 is an apocalyptic number.

203223044431 is a deficient number, since it is larger than the sum of its proper divisors (19699674497).

203223044431 is a wasteful number, since it uses less digits than its factorization.

203223044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102071033.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 203223044431 its reverse (134440322302), we get a palindrome (337663366733).

The spelling of 203223044431 in words is "two hundred three billion, two hundred twenty-three million, forty-four thousand, four hundred thirty-one".