203403013223 has 8 divisors (see below), whose sum is σ = 211473976560. Its totient is φ = 195480141120.

The previous prime is 203403013207. The next prime is 203403013243. The reversal of 203403013223 is 322310304302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 203403013223 - 2⁴ = 203403013207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203403013243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37020008 + ... + 37025501.

It is an arithmetic number, because the mean of its divisors is an integer number (26434247070).

Almost surely, 2^203403013223 is an apocalyptic number.

203403013223 is a deficient number, since it is larger than the sum of its proper divisors (8070963337).

203403013223 is an equidigital number, since it uses as much as digits as its factorization.

203403013223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74045617.

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

Adding to 203403013223 its reverse (322310304302), we get a palindrome (525713317525).

The spelling of 203403013223 in words is "two hundred three billion, four hundred three million, thirteen thousand, two hundred twenty-three".