423421044430 has 32 divisors (see below), whose sum is σ = 803315426400. Its totient is φ = 160442685312.

The previous prime is 423421044379. The next prime is 423421044443. The reversal of 423421044430 is 34440124324.

It is a junction number, because it is equal to n+sod(n) for n = 423421044392 and 423421044401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13758900 + ... + 13789639.

It is an arithmetic number, because the mean of its divisors is an integer number (25103607075).

Almost surely, 2^423421044430 is an apocalyptic number.

423421044430 is a deficient number, since it is larger than the sum of its proper divisors (379894381970).

423421044430 is a wasteful number, since it uses less digits than its factorization.

423421044430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27548628.

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

Adding to 423421044430 its reverse (34440124324), we get a palindrome (457861168754).

The spelling of 423421044430 in words is "four hundred twenty-three billion, four hundred twenty-one million, forty-four thousand, four hundred thirty".