123313331211 has 16 divisors (see below), whose sum is σ = 187912927488. Its totient is φ = 70462173600.

The previous prime is 123313331191. The next prime is 123313331243. The reversal of 123313331211 is 112133313321.

It is not a de Polignac number, because 123313331211 - 2⁵ = 123313331179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123313331111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579796 + ... + 763406.

It is an arithmetic number, because the mean of its divisors is an integer number (11744557968).

Almost surely, 2^123313331211 is an apocalyptic number.

123313331211 is a deficient number, since it is larger than the sum of its proper divisors (64599596277).

123313331211 is a wasteful number, since it uses less digits than its factorization.

123313331211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215602.

The product of its digits is 972, while the sum is 24.

Adding to 123313331211 its reverse (112133313321), we get a palindrome (235446644532).

The spelling of 123313331211 in words is "one hundred twenty-three billion, three hundred thirteen million, three hundred thirty-one thousand, two hundred eleven".