123130002103102 has 4 divisors (see below), whose sum is σ = 184695003154656. Its totient is φ = 61565001051550.

The previous prime is 123130002103099. The next prime is 123130002103127. The reversal of 123130002103102 is 201301200031321.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 123130002103102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30782500525774 + ... + 30782500525777.

It is an arithmetic number, because the mean of its divisors is an integer number (46173750788664).

Almost surely, 2^{123130002103102} is an apocalyptic number.

123130002103102 is a deficient number, since it is larger than the sum of its proper divisors (61565001051554).

123130002103102 is an equidigital number, since it uses as much as digits as its factorization.

123130002103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61565001051553.

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

Adding to 123130002103102 its reverse (201301200031321), we get a palindrome (324431202134423).

The spelling of 123130002103102 in words is "one hundred twenty-three trillion, one hundred thirty billion, two million, one hundred three thousand, one hundred two".