123233212232213 has 4 divisors (see below), whose sum is σ = 123878412296448. Its totient is φ = 122588012167980.

The previous prime is 123233212232149. The next prime is 123233212232261. The reversal of 123233212232213 is 312232212332321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 123233212232213 - 2⁶ = 123233212232149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123233212232213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123233212232513) 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, 322600031831 + ... + 322600032212.

It is an arithmetic number, because the mean of its divisors is an integer number (30969603074112).

Almost surely, 2^{123233212232213} is an apocalyptic number.

It is an amenable number.

123233212232213 is a deficient number, since it is larger than the sum of its proper divisors (645200064235).

123233212232213 is an equidigital number, since it uses as much as digits as its factorization.

123233212232213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645200064234.

The product of its digits is 31104, while the sum is 32.

Adding to 123233212232213 its reverse (312232212332321), we get a palindrome (435465424564534).

The spelling of 123233212232213 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, two hundred twelve million, two hundred thirty-two thousand, two hundred thirteen".