102242423 has 4 divisors (see below), whose sum is σ = 102978120. Its totient is φ = 101506728.

The previous prime is 102242417. The next prime is 102242431. The reversal of 102242423 is 324242201.

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 102242423 - 2⁴ = 102242407 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102242395 and 102242404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102242443) 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, 367640 + ... + 367917.

It is an arithmetic number, because the mean of its divisors is an integer number (25744530).

Almost surely, 2^102242423 is an apocalyptic number.

102242423 is a deficient number, since it is larger than the sum of its proper divisors (735697).

102242423 is an equidigital number, since it uses as much as digits as its factorization.

102242423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 735696.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 102242423 is about 10111.4995426000. The cubic root of 102242423 is about 467.6027368175.

Adding to 102242423 its reverse (324242201), we get a palindrome (426484624).

The spelling of 102242423 in words is "one hundred two million, two hundred forty-two thousand, four hundred twenty-three".