233312323133 has 4 divisors (see below), whose sum is σ = 236508382428. Its totient is φ = 230116263840.

The previous prime is 233312323121. The next prime is 233312323141. The reversal of 233312323133 is 331323213332.

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

It can be written as a sum of positive squares in 2 ways, for example, as 90037203844 + 143275119289 = 300062^2 + 378517^2 .

It is a cyclic number.

It is not a de Polignac number, because 233312323133 - 2¹⁴ = 233312306749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 233312323096 and 233312323105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233312328133) 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, 1598029538 + ... + 1598029683.

It is an arithmetic number, because the mean of its divisors is an integer number (59127095607).

Almost surely, 2^233312323133 is an apocalyptic number.

It is an amenable number.

233312323133 is a deficient number, since it is larger than the sum of its proper divisors (3196059295).

233312323133 is an equidigital number, since it uses as much as digits as its factorization.

233312323133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3196059294.

The product of its digits is 17496, while the sum is 29.

Adding to 233312323133 its reverse (331323213332), we get a palindrome (564635536465).

The spelling of 233312323133 in words is "two hundred thirty-three billion, three hundred twelve million, three hundred twenty-three thousand, one hundred thirty-three".