423010042 has 36 divisors (see below), whose sum is σ = 799285806. Its totient is φ = 167338080.

The previous prime is 423010019. The next prime is 423010067. The reversal of 423010042 is 240010324.

It can be written as a sum of positive squares in 3 ways, for example, as 201327721 + 221682321 = 14189^2 + 14889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423009998 and 423010025.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3792 + ... + 29332.

Almost surely, 2^423010042 is an apocalyptic number.

423010042 is a deficient number, since it is larger than the sum of its proper divisors (376275764).

423010042 is a wasteful number, since it uses less digits than its factorization.

423010042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583 (or 25563 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 423010042 is about 20567.2079291283. The cubic root of 423010042 is about 750.6720151625.

Adding to 423010042 its reverse (240010324), we get a palindrome (663020366).

The spelling of 423010042 in words is "four hundred twenty-three million, ten thousand, forty-two".