203102032223 has 4 divisors (see below), whose sum is σ = 208055740368. Its totient is φ = 198148324080.

The previous prime is 203102032219. The next prime is 203102032249. The reversal of 203102032223 is 322230201302.

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 203102032223 - 2² = 203102032219 is a prime.

It is a super-2 number, since 2×203102032223² (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 = 203102032195 and 203102032204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203102032253) 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, 2476854011 + ... + 2476854092.

It is an arithmetic number, because the mean of its divisors is an integer number (52013935092).

Almost surely, 2^203102032223 is an apocalyptic number.

203102032223 is a deficient number, since it is larger than the sum of its proper divisors (4953708145).

203102032223 is an equidigital number, since it uses as much as digits as its factorization.

203102032223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4953708144.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 203102032223 its reverse (322230201302), we get a palindrome (525332233525).

The spelling of 203102032223 in words is "two hundred three billion, one hundred two million, thirty-two thousand, two hundred twenty-three".