423040204142 has 32 divisors (see below), whose sum is σ = 664405369344. Its totient is φ = 201634884000.

The previous prime is 423040204123. The next prime is 423040204151. The reversal of 423040204142 is 241402040324.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68772767 + ... + 68778917.

It is an arithmetic number, because the mean of its divisors is an integer number (20762667792).

Almost surely, 2^423040204142 is an apocalyptic number.

423040204142 is a deficient number, since it is larger than the sum of its proper divisors (241365165202).

423040204142 is a wasteful number, since it uses less digits than its factorization.

423040204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11024.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 423040204142 its reverse (241402040324), we get a palindrome (664442244466).

The spelling of 423040204142 in words is "four hundred twenty-three billion, forty million, two hundred four thousand, one hundred forty-two".