423837456 has 120 divisors (see below), whose sum is σ = 1314987264. Its totient is φ = 117169920.

The previous prime is 423837451. The next prime is 423837467. The reversal of 423837456 is 654738324.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (423837451) 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 23 ways as a sum of consecutive naturals, for example, 70006 + ... + 75818.

Almost surely, 2^423837456 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 423837456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657493632).

423837456 is an abundant number, since it is smaller than the sum of its proper divisors (891149808).

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

423837456 is a wasteful number, since it uses less digits than its factorization.

423837456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5869 (or 5856 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 423837456 is about 20587.3129864001. The cubic root of 423837456 is about 751.1611383050.

The spelling of 423837456 in words is "four hundred twenty-three million, eight hundred thirty-seven thousand, four hundred fifty-six".