231333121223 has 8 divisors (see below), whose sum is σ = 232167671568. Its totient is φ = 230499955584.

The previous prime is 231333121207. The next prime is 231333121297. The reversal of 231333121223 is 322121333132.

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

It is a cyclic number.

It is not a de Polignac number, because 231333121223 - 2⁴ = 231333121207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231333121192 and 231333121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231333111223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10865 + ... + 680282.

It is an arithmetic number, because the mean of its divisors is an integer number (29020958946).

Almost surely, 2^231333121223 is an apocalyptic number.

231333121223 is a deficient number, since it is larger than the sum of its proper divisors (834550345).

231333121223 is an equidigital number, since it uses as much as digits as its factorization.

231333121223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692353.

The product of its digits is 3888, while the sum is 26.

Adding to 231333121223 its reverse (322121333132), we get a palindrome (553454454355).

The spelling of 231333121223 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred twenty-one thousand, two hundred twenty-three".