203223023231 has 8 divisors (see below), whose sum is σ = 206763040128. Its totient is φ = 199689732000.

The previous prime is 203223023167. The next prime is 203223023249. The reversal of 203223023231 is 132320322302.

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 203223023231 - 2⁶ = 203223023167 is a prime.

It is a super-2 number, since 2×203223023231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203223023197 and 203223023206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203223025231) 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, 1620440 + ... + 1741341.

It is an arithmetic number, because the mean of its divisors is an integer number (25845380016).

Almost surely, 2^203223023231 is an apocalyptic number.

203223023231 is a deficient number, since it is larger than the sum of its proper divisors (3540016897).

203223023231 is an equidigital number, since it uses as much as digits as its factorization.

203223023231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362833.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 203223023231 its reverse (132320322302), we get a palindrome (335543345533).

The spelling of 203223023231 in words is "two hundred three billion, two hundred twenty-three million, twenty-three thousand, two hundred thirty-one".