623692820688 has 320 divisors, whose sum is σ = 1948065792000. Its totient is φ = 171694494720.

The previous prime is 623692820687. The next prime is 623692820741. The reversal of 623692820688 is 886028296326.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (623692820687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121979220 + ... + 121984332.

It is an arithmetic number, because the mean of its divisors is an integer number (6087705600).

Almost surely, 2^623692820688 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 623692820688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (974032896000).

623692820688 is an abundant number, since it is smaller than the sum of its proper divisors (1324372971312).

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

623692820688 is a wasteful number, since it uses less digits than its factorization.

623692820688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5415 (or 5395 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 60.

The spelling of 623692820688 in words is "six hundred twenty-three billion, six hundred ninety-two million, eight hundred twenty thousand, six hundred eighty-eight".