102231112123 has 12 divisors (see below), whose sum is σ = 118927744392. Its totient is φ = 87622365600.

The previous prime is 102231112117. The next prime is 102231112187. The reversal of 102231112123 is 321211132201.

It is not a de Polignac number, because 102231112123 - 2⁹ = 102231111611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102231112123.

It is not an unprimeable number, because it can be changed into a prime (102231112523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1337311 + ... + 1411687.

It is an arithmetic number, because the mean of its divisors is an integer number (9910645366).

Almost surely, 2^102231112123 is an apocalyptic number.

102231112123 is a deficient number, since it is larger than the sum of its proper divisors (16696632269).

102231112123 is an equidigital number, since it uses as much as digits as its factorization.

102231112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102442 (or 102435 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102231112123 its reverse (321211132201), we get a palindrome (423442244324).

The spelling of 102231112123 in words is "one hundred two billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty-three".