423371776 has 33 divisors (see below), whose sum is σ = 847648371. Its totient is φ = 211356672.

The previous prime is 423371771. The next prime is 423371779. The reversal of 423371776 is 677173324.

The square root of 423371776 is 20576.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423371771) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 658111 + ... + 658753.

Almost surely, 2^423371776 is an apocalyptic number.

423371776 is the 20576-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423371776

423371776 is an abundant number, since it is smaller than the sum of its proper divisors (424276595).

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

423371776 is an frugal number, since it uses more digits than its factorization.

423371776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 645 counting only the distinct ones).

The product of its digits is 148176, while the sum is 40.

The cubic root of 423371776 is about 750.8859314589.

The spelling of 423371776 in words is "four hundred twenty-three million, three hundred seventy-one thousand, seven hundred seventy-six".