623673960 has 384 divisors, whose sum is σ = 2413152000. Its totient is φ = 127733760.

The previous prime is 623673959. The next prime is 623673983. The reversal of 623673960 is 69376326.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3133941 + ... + 3134139.

It is an arithmetic number, because the mean of its divisors is an integer number (6284250).

Almost surely, 2^623673960 is an apocalyptic number.

623673960 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 623673960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1206576000).

623673960 is an abundant number, since it is smaller than the sum of its proper divisors (1789478040).

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

623673960 is a wasteful number, since it uses less digits than its factorization.

623673960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 42.

The square root of 623673960 is about 24973.4651180007. The cubic root of 623673960 is about 854.3828794666.

The spelling of 623673960 in words is "six hundred twenty-three million, six hundred seventy-three thousand, nine hundred sixty".