623263680 has 448 divisors, whose sum is σ = 2457907200. Its totient is φ = 147640320.

The previous prime is 623263651. The next prime is 623263699. The reversal of 623263680 is 86362326.

623263680 is a `hidden beast` number, since 623 + 26 + 3 + 6 + 8 + 0 = 666.

It is a super-2 number, since 2×623263680² = 776915229614284800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3481831 + ... + 3482009.

It is an arithmetic number, because the mean of its divisors is an integer number (5486400).

Almost surely, 2^623263680 is an apocalyptic number.

623263680 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 623263680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1228953600).

623263680 is an abundant number, since it is smaller than the sum of its proper divisors (1834643520).

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

623263680 is a wasteful number, since it uses less digits than its factorization.

623263680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 623263680 is about 24965.2494479827. The cubic root of 623263680 is about 854.1954882310.

The spelling of 623263680 in words is "six hundred twenty-three million, two hundred sixty-three thousand, six hundred eighty".