233123322213 has 8 divisors (see below), whose sum is σ = 345367884800. Its totient is φ = 155415548124.

The previous prime is 233123322209. The next prime is 233123322233. The reversal of 233123322213 is 312223321332.

233123322213 is a `hidden beast` number, since 2 + 3 + 3 + 123 + 322 + 213 = 666.

It is not a de Polignac number, because 233123322213 - 2² = 233123322209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 8634197119 = 233123322213 / (2 + 3 + 3 + 1 + 2 + 3 + 3 + 2 + 2 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233123322233) 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, 4317098533 + ... + 4317098586.

It is an arithmetic number, because the mean of its divisors is an integer number (43170985600).

Almost surely, 2^233123322213 is an apocalyptic number.

It is an amenable number.

233123322213 is a deficient number, since it is larger than the sum of its proper divisors (112244562587).

233123322213 is an equidigital number, since it uses as much as digits as its factorization.

233123322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634197128 (or 8634197122 counting only the distinct ones).

The product of its digits is 7776, while the sum is 27.

Adding to 233123322213 its reverse (312223321332), we get a palindrome (545346643545).

The spelling of 233123322213 in words is "two hundred thirty-three billion, one hundred twenty-three million, three hundred twenty-two thousand, two hundred thirteen".