423555040320050 has 24 divisors (see below), whose sum is σ = 787814416912500. Its totient is φ = 169421577006080.

The previous prime is 423555040320011. The next prime is 423555040320077. The reversal of 423555040320050 is 50023040555324.

It can be written as a sum of positive squares in 6 ways, for example, as 182672876016409 + 240882164303641 = 13515653^2 + 15520379^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423555040319986 and 423555040320013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8860826 + ... + 30424074.

Almost surely, 2^{423555040320050} is an apocalyptic number.

423555040320050 is a deficient number, since it is larger than the sum of its proper divisors (364259376592450).

423555040320050 is a wasteful number, since it uses less digits than its factorization.

423555040320050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21956110 (or 21956105 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

Adding to 423555040320050 its reverse (50023040555324), we get a palindrome (473578080875374).

The spelling of 423555040320050 in words is "four hundred twenty-three trillion, five hundred fifty-five billion, forty million, three hundred twenty thousand, fifty".