623404080 has 240 divisors, whose sum is σ = 2328080160. Its totient is φ = 152423424.

The previous prime is 623404051. The next prime is 623404123. The reversal of 623404080 is 80404326.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4183846 + ... + 4183994.

It is an arithmetic number, because the mean of its divisors is an integer number (9700334).

Almost surely, 2^623404080 is an apocalyptic number.

623404080 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 623404080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1164040080).

623404080 is an abundant number, since it is smaller than the sum of its proper divisors (1704676080).

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

623404080 is a wasteful number, since it uses less digits than its factorization.

623404080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 623404080 is about 24968.0611982589. The cubic root of 623404080 is about 854.2596237626.

The spelling of 623404080 in words is "six hundred twenty-three million, four hundred four thousand, eighty".