623487456 has 192 divisors, whose sum is σ = 1884556800. Its totient is φ = 202953600.

The previous prime is 623487439. The next prime is 623487457. The reversal of 623487456 is 654784326.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623487457) 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 31 ways as a sum of consecutive naturals, for example, 4128981 + ... + 4129131.

It is an arithmetic number, because the mean of its divisors is an integer number (9815400).

Almost surely, 2^623487456 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 623487456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942278400).

623487456 is an abundant number, since it is smaller than the sum of its proper divisors (1261069344).

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

623487456 is an equidigital number, since it uses as much as digits as its factorization.

623487456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 215 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 623487456 is about 24969.7307955052. The cubic root of 623487456 is about 854.2977058443.

The spelling of 623487456 in words is "six hundred twenty-three million, four hundred eighty-seven thousand, four hundred fifty-six".