231233030123203 has 4 divisors (see below), whose sum is σ = 236152881828000. Its totient is φ = 226313178418408.

The previous prime is 231233030123189. The next prime is 231233030123209. The reversal of 231233030123203 is 302321030332132.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231233030123203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231233030123209) 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, 2459925852328 + ... + 2459925852421.

It is an arithmetic number, because the mean of its divisors is an integer number (59038220457000).

Almost surely, 2^{231233030123203} is an apocalyptic number.

231233030123203 is a deficient number, since it is larger than the sum of its proper divisors (4919851704797).

231233030123203 is an equidigital number, since it uses as much as digits as its factorization.

231233030123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919851704796.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 231233030123203 its reverse (302321030332132), we get a palindrome (533554060455335).

The spelling of 231233030123203 in words is "two hundred thirty-one trillion, two hundred thirty-three billion, thirty million, one hundred twenty-three thousand, two hundred three".