423251056 has 40 divisors (see below), whose sum is σ = 851731200. Its totient is φ = 203508480.

The previous prime is 423251053. The next prime is 423251063. The reversal of 423251056 is 650152324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423251053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123121 + ... + 126511.

It is an arithmetic number, because the mean of its divisors is an integer number (21293280).

Almost surely, 2^423251056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423251056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425865600).

423251056 is an abundant number, since it is smaller than the sum of its proper divisors (428480144).

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

423251056 is a wasteful number, since it uses less digits than its factorization.

423251056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3691 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 423251056 is about 20573.0662760805. The cubic root of 423251056 is about 750.8145556045.

The spelling of 423251056 in words is "four hundred twenty-three million, two hundred fifty-one thousand, fifty-six".