423421431404 has 12 divisors (see below), whose sum is σ = 741529568304. Its totient is φ = 211555840464.

The previous prime is 423421431379. The next prime is 423421431431. The reversal of 423421431404 is 404134124324.

It is a super-2 number, since 2×423421431404² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 38712659 + ... + 38723594.

It is an arithmetic number, because the mean of its divisors is an integer number (61794130692).

Almost surely, 2^423421431404 is an apocalyptic number.

It is an amenable number.

423421431404 is a deficient number, since it is larger than the sum of its proper divisors (318108136900).

423421431404 is a wasteful number, since it uses less digits than its factorization.

423421431404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77437624 (or 77437622 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 423421431404 its reverse (404134124324), we get a palindrome (827555555728).

The spelling of 423421431404 in words is "four hundred twenty-three billion, four hundred twenty-one million, four hundred thirty-one thousand, four hundred four".