2333123213 has 4 divisors (see below), whose sum is σ = 2333420988. Its totient is φ = 2332825440.

The previous prime is 2333123179. The next prime is 2333123263. The reversal of 2333123213 is 3123213332.

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 1779321124 + 553802089 = 42182^2 + 23533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2333123213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2333123263) 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, 136808 + ... + 152913.

It is an arithmetic number, because the mean of its divisors is an integer number (583355247).

Almost surely, 2^2333123213 is an apocalyptic number.

It is an amenable number.

2333123213 is a deficient number, since it is larger than the sum of its proper divisors (297775).

2333123213 is an equidigital number, since it uses as much as digits as its factorization.

2333123213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297774.

The product of its digits is 1944, while the sum is 23.

The square root of 2333123213 is about 48302.4141529179. The cubic root of 2333123213 is about 1326.3125880643.

Adding to 2333123213 its reverse (3123213332), we get a palindrome (5456336545).

The spelling of 2333123213 in words is "two billion, three hundred thirty-three million, one hundred twenty-three thousand, two hundred thirteen".