423232212442 has 24 divisors (see below), whose sum is σ = 687589724700. Its totient is φ = 195295201920.

The previous prime is 423232212439. The next prime is 423232212523. The reversal of 423232212442 is 244212232324.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 205534382881 + 217697829561 = 453359^2 + 466581^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1436692 + ... + 1706032.

Almost surely, 2^423232212442 is an apocalyptic number.

423232212442 is a deficient number, since it is larger than the sum of its proper divisors (264357512258).

423232212442 is a wasteful number, since it uses less digits than its factorization.

423232212442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274018 (or 274005 counting only the distinct ones).

The product of its digits is 36864, while the sum is 31.

Adding to 423232212442 its reverse (244212232324), we get a palindrome (667444444766).

The spelling of 423232212442 in words is "four hundred twenty-three billion, two hundred thirty-two million, two hundred twelve thousand, four hundred forty-two".