123231030211 has 16 divisors (see below), whose sum is σ = 128462630400. Its totient is φ = 118123394848.

The previous prime is 123231030199. The next prime is 123231030233. The reversal of 123231030211 is 112030132321.

It is a cyclic number.

It is not a de Polignac number, because 123231030211 - 2¹⁵ = 123230997443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123211030211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663336 + ... + 828538.

It is an arithmetic number, because the mean of its divisors is an integer number (8028914400).

Almost surely, 2^123231030211 is an apocalyptic number.

123231030211 is a deficient number, since it is larger than the sum of its proper divisors (5231600189).

123231030211 is a wasteful number, since it uses less digits than its factorization.

123231030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165578.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123231030211 its reverse (112030132321), we get a palindrome (235261162532).

The spelling of 123231030211 in words is "one hundred twenty-three billion, two hundred thirty-one million, thirty thousand, two hundred eleven".