423181016820496 has 45 divisors (see below), whose sum is σ = 901228855501639. Its totient is φ = 192354596218400.

The previous prime is 423181016820481. The next prime is 423181016820539. The reversal of 423181016820496 is 694028610181324.

The square root of 423181016820496 is 20571364.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 904906251 + ... + 905373781.

Almost surely, 2^{423181016820496} is an apocalyptic number.

423181016820496 is the 20571364-th square number.

It is an amenable number.

423181016820496 is an abundant number, since it is smaller than the sum of its proper divisors (478047838681143).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

423181016820496 is an frugal number, since it uses more digits than its factorization.

423181016820496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935092 (or 467544 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 423181016820496 in words is "four hundred twenty-three trillion, one hundred eighty-one billion, sixteen million, eight hundred twenty thousand, four hundred ninety-six".