102320223 has 4 divisors (see below), whose sum is σ = 136426968. Its totient is φ = 68213480.

The previous prime is 102320201. The next prime is 102320279. The reversal of 102320223 is 322023201.

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 102320223 - 2⁵ = 102320191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102320293) 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 in 3 ways as a sum of consecutive naturals, for example, 17053368 + ... + 17053373.

It is an arithmetic number, because the mean of its divisors is an integer number (34106742).

Almost surely, 2^102320223 is an apocalyptic number.

102320223 is a deficient number, since it is larger than the sum of its proper divisors (34106745).

102320223 is an equidigital number, since it uses as much as digits as its factorization.

102320223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34106744.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102320223 is about 10115.3459159833. The cubic root of 102320223 is about 467.7213120895.

Adding to 102320223 its reverse (322023201), we get a palindrome (424343424).

The spelling of 102320223 in words is "one hundred two million, three hundred twenty thousand, two hundred twenty-three".