123233201023213 has 4 divisors (see below), whose sum is σ = 123234222783168. Its totient is φ = 123232179263260.

The previous prime is 123233201023007. The next prime is 123233201023259. The reversal of 123233201023213 is 312320102332321.

It is a happy number.

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 123233201023213 - 2¹⁷ = 123233200892141 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 (123233201020213) 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, 510699043 + ... + 510940288.

It is an arithmetic number, because the mean of its divisors is an integer number (30808555695792).

Almost surely, 2^{123233201023213} is an apocalyptic number.

It is an amenable number.

123233201023213 is a deficient number, since it is larger than the sum of its proper divisors (1021759955).

123233201023213 is a wasteful number, since it uses less digits than its factorization.

123233201023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021759954.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 123233201023213 its reverse (312320102332321), we get a palindrome (435553303355534).

The spelling of 123233201023213 in words is "one hundred twenty-three trillion, two hundred thirty-three billion, two hundred one million, twenty-three thousand, two hundred thirteen".