423651996338 has 8 divisors (see below), whose sum is σ = 642029314332. Its totient is φ = 209642224896.

The previous prime is 423651996337. The next prime is 423651996353. The reversal of 423651996338 is 833699156324.

It can be written as a sum of positive squares in 2 ways, for example, as 407315833369 + 16336162969 = 638213^2 + 127813^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (423651996331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1091886395 + ... + 1091886782.

Almost surely, 2^423651996338 is an apocalyptic number.

423651996338 is a deficient number, since it is larger than the sum of its proper divisors (218377317994).

423651996338 is a wasteful number, since it uses less digits than its factorization.

423651996338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183773276.

The product of its digits is 25194240, while the sum is 59.

The spelling of 423651996338 in words is "four hundred twenty-three billion, six hundred fifty-one million, nine hundred ninety-six thousand, three hundred thirty-eight".