423820557922 has 8 divisors (see below), whose sum is σ = 637316201772. Its totient is φ = 211381824000.

The previous prime is 423820557887. The next prime is 423820557959. The reversal of 423820557922 is 229755028324.

It can be written as a sum of positive squares in 2 ways, for example, as 403975919281 + 19844638641 = 635591^2 + 140871^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264226479 + ... + 264228082.

Almost surely, 2^423820557922 is an apocalyptic number.

423820557922 is a deficient number, since it is larger than the sum of its proper divisors (213495643850).

423820557922 is a wasteful number, since it uses less digits than its factorization.

423820557922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528454964.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 423820557922 in words is "four hundred twenty-three billion, eight hundred twenty million, five hundred fifty-seven thousand, nine hundred twenty-two".