423405124 has 12 divisors (see below), whose sum is σ = 747516924. Its totient is φ = 209828864.

The previous prime is 423405121. The next prime is 423405127. The reversal of 423405124 is 421504324.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (423405121) and next prime (423405127).

It can be written as a sum of positive squares in 2 ways, for example, as 173765124 + 249640000 = 13182^2 + 15800^2 .

It is not an unprimeable number, because it can be changed into a prime (423405121) 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 3 ways as a sum of consecutive naturals, for example, 467917 + ... + 468820.

It is an arithmetic number, because the mean of its divisors is an integer number (62293077).

Almost surely, 2^423405124 is an apocalyptic number.

It is an amenable number.

423405124 is a deficient number, since it is larger than the sum of its proper divisors (324111800).

423405124 is a wasteful number, since it uses less digits than its factorization.

423405124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936854 (or 936852 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 423405124 is about 20576.8103456294. The cubic root of 423405124 is about 750.9056461148.

Adding to 423405124 its reverse (421504324), we get a palindrome (844909448).

The spelling of 423405124 in words is "four hundred twenty-three million, four hundred five thousand, one hundred twenty-four".