203213331303123 has 8 divisors (see below), whose sum is σ = 274995154798528. Its totient is φ = 133453531004904.

The previous prime is 203213331303121. The next prime is 203213331303137. The reversal of 203213331303123 is 321303133312302.

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

It is not a de Polignac number, because 203213331303123 - 2¹ = 203213331303121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203213331303121) 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, 505505799061 + ... + 505505799462.

It is an arithmetic number, because the mean of its divisors is an integer number (34374394349816).

Almost surely, 2^{203213331303123} is an apocalyptic number.

203213331303123 is a deficient number, since it is larger than the sum of its proper divisors (71781823495405).

203213331303123 is a wasteful number, since it uses less digits than its factorization.

203213331303123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011011598593.

The product of its (nonzero) digits is 17496, while the sum is 30.

Adding to 203213331303123 its reverse (321303133312302), we get a palindrome (524516464615425).

The spelling of 203213331303123 in words is "two hundred three trillion, two hundred thirteen billion, three hundred thirty-one million, three hundred three thousand, one hundred twenty-three".