203123301223 has 8 divisors (see below), whose sum is σ = 203856663168. Its totient is φ = 202390049784.

The previous prime is 203123301209. The next prime is 203123301239. The reversal of 203123301223 is 322103321302.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203123301223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203123301194 and 203123301203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203123301253) 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, 6024390 + ... + 6058012.

It is an arithmetic number, because the mean of its divisors is an integer number (25482082896).

Almost surely, 2^203123301223 is an apocalyptic number.

203123301223 is a deficient number, since it is larger than the sum of its proper divisors (733361945).

203123301223 is a wasteful number, since it uses less digits than its factorization.

203123301223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55253.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 203123301223 its reverse (322103321302), we get a palindrome (525226622525).

The spelling of 203123301223 in words is "two hundred three billion, one hundred twenty-three million, three hundred one thousand, two hundred twenty-three".