102120323 has 2 divisors, whose sum is σ = 102120324. Its totient is φ = 102120322.

The previous prime is 102120311. The next prime is 102120329. The reversal of 102120323 is 323021201.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (323021201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102120323 - 2¹² = 102116227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102120298 and 102120307.

It is not a weakly prime, because it can be changed into another prime (102120329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060161 + 51060162.

It is an arithmetic number, because the mean of its divisors is an integer number (51060162).

Almost surely, 2^102120323 is an apocalyptic number.

102120323 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120323 is an equidigital number, since it uses as much as digits as its factorization.

102120323 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102120323 is about 10105.4600587999. The cubic root of 102120323 is about 467.4165224090.

Adding to 102120323 its reverse (323021201), we get a palindrome (425141524).

The spelling of 102120323 in words is "one hundred two million, one hundred twenty thousand, three hundred twenty-three".