102320423 has 4 divisors (see below), whose sum is σ = 102350520. Its totient is φ = 102290328.

The previous prime is 102320417. The next prime is 102320431. The reversal of 102320423 is 324023201.

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 102320423 - 2¹² = 102316327 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 (102320473) 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, 9188 + ... + 17001.

It is an arithmetic number, because the mean of its divisors is an integer number (25587630).

Almost surely, 2^102320423 is an apocalyptic number.

102320423 is a deficient number, since it is larger than the sum of its proper divisors (30097).

102320423 is an equidigital number, since it uses as much as digits as its factorization.

102320423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30096.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 102320423 is about 10115.3558019478. The cubic root of 102320423 is about 467.7216168327.

Adding to 102320423 its reverse (324023201), we get a palindrome (426343624).

The spelling of 102320423 in words is "one hundred two million, three hundred twenty thousand, four hundred twenty-three".