424002123 has 6 divisors (see below), whose sum is σ = 612447524. Its totient is φ = 282668076.

The previous prime is 424002121. The next prime is 424002149. The reversal of 424002123 is 321200424.

It is not a de Polignac number, because 424002123 - 2¹ = 424002121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 424002096 and 424002105.

It is not an unprimeable number, because it can be changed into a prime (424002121) 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 5 ways as a sum of consecutive naturals, for example, 23555665 + ... + 23555682.

Almost surely, 2^424002123 is an apocalyptic number.

424002123 is a deficient number, since it is larger than the sum of its proper divisors (188445401).

424002123 is a wasteful number, since it uses less digits than its factorization.

424002123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47111353 (or 47111350 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 424002123 is about 20591.3118329066. The cubic root of 424002123 is about 751.2584047092.

Adding to 424002123 its reverse (321200424), we get a palindrome (745202547).

The spelling of 424002123 in words is "four hundred twenty-four million, two thousand, one hundred twenty-three".