424102423 has 4 divisors (see below), whose sum is σ = 424214560. Its totient is φ = 423990288.

The previous prime is 424102381. The next prime is 424102463. The reversal of 424102423 is 324201424.

It is a happy number.

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 424102423 - 2²¹ = 422005271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424102394 and 424102403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424102463) 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, 50190 + ... + 58027.

It is an arithmetic number, because the mean of its divisors is an integer number (106053640).

Almost surely, 2^424102423 is an apocalyptic number.

424102423 is a deficient number, since it is larger than the sum of its proper divisors (112137).

424102423 is a wasteful number, since it uses less digits than its factorization.

424102423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112136.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 424102423 is about 20593.7471820939. The cubic root of 424102423 is about 751.3176381211.

Adding to 424102423 its reverse (324201424), we get a palindrome (748303847).

Subtracting from 424102423 its reverse (324201424), we obtain a palindrome (99900999).

It can be divided in two parts, 42 and 4102423, that multiplied together give a triangular number (172301766 = T₁₈₅₆₃).

The spelling of 424102423 in words is "four hundred twenty-four million, one hundred two thousand, four hundred twenty-three".