628023001 has 8 divisors (see below), whose sum is σ = 634383360. Its totient is φ = 621685008.

The previous prime is 628022971. The next prime is 628023007. The reversal of 628023001 is 100320826.

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 628023001 - 2⁹ = 628022489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628023007) 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 7 ways as a sum of consecutive naturals, for example, 54015 + ... + 64603.

It is an arithmetic number, because the mean of its divisors is an integer number (79297920).

Almost surely, 2^628023001 is an apocalyptic number.

It is an amenable number.

628023001 is a deficient number, since it is larger than the sum of its proper divisors (6360359).

628023001 is a wasteful number, since it uses less digits than its factorization.

628023001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11183.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 628023001 is about 25060.3870879921. The cubic root of 628023001 is about 856.3642258965.

Adding to 628023001 its reverse (100320826), we get a palindrome (728343827).

The spelling of 628023001 in words is "six hundred twenty-eight million, twenty-three thousand, one".