423126042 has 16 divisors (see below), whose sum is σ = 848326080. Its totient is φ = 140696352.

The previous prime is 423126019. The next prime is 423126047. The reversal of 423126042 is 240621324.

It is not an unprimeable number, because it can be changed into a prime (423126047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83758 + ... + 88665.

It is an arithmetic number, because the mean of its divisors is an integer number (53020380).

Almost surely, 2^423126042 is an apocalyptic number.

423126042 is an abundant number, since it is smaller than the sum of its proper divisors (425200038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423126042 is a wasteful number, since it uses less digits than its factorization.

423126042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172837.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 423126042 is about 20570.0277588534. The cubic root of 423126042 is about 750.7406266111.

Adding to 423126042 its reverse (240621324), we get a palindrome (663747366).

The spelling of 423126042 in words is "four hundred twenty-three million, one hundred twenty-six thousand, forty-two".