568123920 has 720 divisors, whose sum is σ = 2548765440. Its totient is φ = 110702592.

The previous prime is 568123909. The next prime is 568123931. The reversal of 568123920 is 29321865.

568123920 = T₄₉ + T₅₀ + ... + T₁₅₀₄.

568123920 is a `hidden beast` number, since 568 + 1 + 2 + 3 + 92 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (568123909) and next prime (568123931).

It is a tau number, because it is divible by the number of its divisors (720).

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

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 19590466 + ... + 19590494.

It is an arithmetic number, because the mean of its divisors is an integer number (3539952).

Almost surely, 2^568123920 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 568123920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1274382720).

568123920 is an abundant number, since it is smaller than the sum of its proper divisors (1980641520).

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

568123920 is a wasteful number, since it uses less digits than its factorization.

568123920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 568123920 is about 23835.3502176914. The cubic root of 568123920 is about 828.2237720470.

The spelling of 568123920 in words is "five hundred sixty-eight million, one hundred twenty-three thousand, nine hundred twenty".