102102322123 has 4 divisors (see below), whose sum is σ = 103154923480. Its totient is φ = 101049720768.

The previous prime is 102102322121. The next prime is 102102322139. The reversal of 102102322123 is 321223201201.

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

It is a cyclic number.

It is not a de Polignac number, because 102102322123 - 2¹ = 102102322121 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 102102322123.

It is not an unprimeable number, because it can be changed into a prime (102102322121) 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, 526300533 + ... + 526300726.

It is an arithmetic number, because the mean of its divisors is an integer number (25788730870).

Almost surely, 2^102102322123 is an apocalyptic number.

102102322123 is a deficient number, since it is larger than the sum of its proper divisors (1052601357).

102102322123 is an equidigital number, since it uses as much as digits as its factorization.

102102322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052601356.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 102102322123 its reverse (321223201201), we get a palindrome (423325523324).

The spelling of 102102322123 in words is "one hundred two billion, one hundred two million, three hundred twenty-two thousand, one hundred twenty-three".