621600023 has 8 divisors (see below), whose sum is σ = 678289680. Its totient is φ = 564940480.

The previous prime is 621600013. The next prime is 621600041. The reversal of 621600023 is 320006126.

621600023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 621600023 - 2⁸ = 621599767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 621599968 and 621600004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (621600013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75611 + ... + 83427.

It is an arithmetic number, because the mean of its divisors is an integer number (84786210).

Almost surely, 2^621600023 is an apocalyptic number.

621600023 is a deficient number, since it is larger than the sum of its proper divisors (56689657).

621600023 is a wasteful number, since it uses less digits than its factorization.

621600023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15057.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 621600023 is about 24931.9077288522. The cubic root of 621600023 is about 853.4347857928.

Adding to 621600023 its reverse (320006126), we get a palindrome (941606149).

The spelling of 621600023 in words is "six hundred twenty-one million, six hundred thousand, twenty-three".