102112323103 has 4 divisors (see below), whose sum is σ = 116699797840. Its totient is φ = 87524848368.

The previous prime is 102112323059. The next prime is 102112323107. The reversal of 102112323103 is 301323211201.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102112323103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102112323107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7293737358 + ... + 7293737371.

It is an arithmetic number, because the mean of its divisors is an integer number (29174949460).

Almost surely, 2^102112323103 is an apocalyptic number.

102112323103 is a deficient number, since it is larger than the sum of its proper divisors (14587474737).

102112323103 is an equidigital number, since it uses as much as digits as its factorization.

102112323103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14587474736.

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

Adding to 102112323103 its reverse (301323211201), we get a palindrome (403435534304).

The spelling of 102112323103 in words is "one hundred two billion, one hundred twelve million, three hundred twenty-three thousand, one hundred three".