423005042 has 4 divisors (see below), whose sum is σ = 634507566. Its totient is φ = 211502520.

The previous prime is 423005027. The next prime is 423005057. The reversal of 423005042 is 240500324.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (423005027) and next prime (423005057).

It can be written as a sum of positive squares in only one way, i.e., 255328441 + 167676601 = 15979^2 + 12949^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105751259 + ... + 105751262.

Almost surely, 2^423005042 is an apocalyptic number.

423005042 is a deficient number, since it is larger than the sum of its proper divisors (211502524).

423005042 is a wasteful number, since it uses less digits than its factorization.

423005042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211502523.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 423005042 is about 20567.0863760524. The cubic root of 423005042 is about 750.6690574905.

Adding to 423005042 its reverse (240500324), we get a palindrome (663505366).

The spelling of 423005042 in words is "four hundred twenty-three million, five thousand, forty-two".