102302423 has 4 divisors (see below), whose sum is σ = 102333600. Its totient is φ = 102271248.

The previous prime is 102302371. The next prime is 102302477. The reversal of 102302423 is 324203201.

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-102302423 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102302483) 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, 9998 + ... + 17451.

It is an arithmetic number, because the mean of its divisors is an integer number (25583400).

Almost surely, 2^102302423 is an apocalyptic number.

102302423 is a deficient number, since it is larger than the sum of its proper divisors (31177).

102302423 is an equidigital number, since it uses as much as digits as its factorization.

102302423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31176.

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

The square root of 102302423 is about 10114.4660264396. The cubic root of 102302423 is about 467.6941883469.

Adding to 102302423 its reverse (324203201), we get a palindrome (426505624).

The spelling of 102302423 in words is "one hundred two million, three hundred two thousand, four hundred twenty-three".