102120101323 has 4 divisors (see below), whose sum is σ = 102126332088. Its totient is φ = 102113870560.

The previous prime is 102120101299. The next prime is 102120101329. The reversal of 102120101323 is 323101021201.

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-102120101323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102120101297 and 102120101306.

It is not an unprimeable number, because it can be changed into a prime (102120101329) 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, 3090733 + ... + 3123598.

It is an arithmetic number, because the mean of its divisors is an integer number (25531583022).

Almost surely, 2^102120101323 is an apocalyptic number.

102120101323 is a deficient number, since it is larger than the sum of its proper divisors (6230765).

102120101323 is an equidigital number, since it uses as much as digits as its factorization.

102120101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230764.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102120101323 its reverse (323101021201), we get a palindrome (425221122524).

The spelling of 102120101323 in words is "one hundred two billion, one hundred twenty million, one hundred one thousand, three hundred twenty-three".