123033031110211 has 4 divisors (see below), whose sum is σ = 123034758275952. Its totient is φ = 123031303944472.

The previous prime is 123033031110179. The next prime is 123033031110257. The reversal of 123033031110211 is 112011130330321.

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

It is a cyclic number.

It is not a de Polignac number, because 123033031110211 - 2⁵ = 123033031110179 is a prime.

It is a super-2 number, since 2×123033031110211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123033031110271) 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, 863476015 + ... + 863618488.

It is an arithmetic number, because the mean of its divisors is an integer number (30758689568988).

Almost surely, 2^{123033031110211} is an apocalyptic number.

123033031110211 is a deficient number, since it is larger than the sum of its proper divisors (1727165741).

123033031110211 is an equidigital number, since it uses as much as digits as its factorization.

123033031110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1727165740.

The product of its (nonzero) digits is 324, while the sum is 22.

Adding to 123033031110211 its reverse (112011130330321), we get a palindrome (235044161440532).

The spelling of 123033031110211 in words is "one hundred twenty-three trillion, thirty-three billion, thirty-one million, one hundred ten thousand, two hundred eleven".