102301320123 has 12 divisors (see below), whose sum is σ = 147783626848. Its totient is φ = 68193932400.

The previous prime is 102301320113. The next prime is 102301320127. The reversal of 102301320123 is 321023103201.

It is a de Polignac number, because none of the positive numbers 2^k-102301320123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102301320096 and 102301320105.

It is not an unprimeable number, because it can be changed into a prime (102301320127) 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, 484915 + ... + 663132.

Almost surely, 2^102301320123 is an apocalyptic number.

102301320123 is a deficient number, since it is larger than the sum of its proper divisors (45482306725).

102301320123 is a wasteful number, since it uses less digits than its factorization.

102301320123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157954 (or 1157951 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102301320123 its reverse (321023103201), we get a palindrome (423324423324).

The spelling of 102301320123 in words is "one hundred two billion, three hundred one million, three hundred twenty thousand, one hundred twenty-three".