123321140103 has 16 divisors (see below), whose sum is σ = 194397857280. Its totient is φ = 68039249376.

The previous prime is 123321140101. The next prime is 123321140141. The reversal of 123321140103 is 301041123321.

It is not a de Polignac number, because 123321140103 - 2¹ = 123321140101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 123321140103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123321140101) 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, 101248275 + ... + 101249492.

It is an arithmetic number, because the mean of its divisors is an integer number (12149866080).

Almost surely, 2^123321140103 is an apocalyptic number.

123321140103 is a deficient number, since it is larger than the sum of its proper divisors (71076717177).

123321140103 is a wasteful number, since it uses less digits than its factorization.

123321140103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202497806.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123321140103 its reverse (301041123321), we get a palindrome (424362263424).

The spelling of 123321140103 in words is "one hundred twenty-three billion, three hundred twenty-one million, one hundred forty thousand, one hundred three".