623280000 has 480 divisors, whose sum is σ = 2451996360. Its totient is φ = 139776000.

The previous prime is 623279981. The next prime is 623280001. The reversal of 623280000 is 82326.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623280001) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 11759974 + ... + 11760026.

Almost surely, 2^623280000 is an apocalyptic number.

623280000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 623280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225998180).

623280000 is an abundant number, since it is smaller than the sum of its proper divisors (1828716360).

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

623280000 is an equidigital number, since it uses as much as digits as its factorization.

623280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 623280000 is about 24965.5763001778. The cubic root of 623280000 is about 854.2029437960.

The spelling of 623280000 in words is "six hundred twenty-three million, two hundred eighty thousand".