423577572 has 24 divisors (see below), whose sum is σ = 1078197792. Its totient is φ = 128356800.

The previous prime is 423577571. The next prime is 423577577. The reversal of 423577572 is 275775324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (423577571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1604329 + ... + 1604592.

It is an arithmetic number, because the mean of its divisors is an integer number (44924908).

Almost surely, 2^423577572 is an apocalyptic number.

It is an amenable number.

423577572 is an abundant number, since it is smaller than the sum of its proper divisors (654620220).

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

423577572 is a wasteful number, since it uses less digits than its factorization.

423577572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3208939 (or 3208937 counting only the distinct ones).

The product of its digits is 411600, while the sum is 42.

The square root of 423577572 is about 20581.0002672368. Note that the first 3 decimals coincide. The cubic root of 423577572 is about 751.0075773333.

The spelling of 423577572 in words is "four hundred twenty-three million, five hundred seventy-seven thousand, five hundred seventy-two".