123231122102 has 64 divisors (see below), whose sum is σ = 219013839360. Its totient is φ = 51412838400.

The previous prime is 123231122071. The next prime is 123231122141. The reversal of 123231122102 is 201221132321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2366102 + ... + 2417622.

It is an arithmetic number, because the mean of its divisors is an integer number (3422091240).

Almost surely, 2^123231122102 is an apocalyptic number.

123231122102 is a deficient number, since it is larger than the sum of its proper divisors (95782717258).

123231122102 is a wasteful number, since it uses less digits than its factorization.

123231122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51749.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123231122102 its reverse (201221132321), we get a palindrome (324452254423).

The spelling of 123231122102 in words is "one hundred twenty-three billion, two hundred thirty-one million, one hundred twenty-two thousand, one hundred two".