652620023 has 8 divisors (see below), whose sum is σ = 731191440. Its totient is φ = 577255680.

The previous prime is 652620019. The next prime is 652620041. The reversal of 652620023 is 320026256.

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 652620023 - 2² = 652620019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 652619974 and 652620001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652620053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 801338 + ... + 802151.

It is an arithmetic number, because the mean of its divisors is an integer number (91398930).

Almost surely, 2^652620023 is an apocalyptic number.

652620023 is a deficient number, since it is larger than the sum of its proper divisors (78571417).

652620023 is a wasteful number, since it uses less digits than its factorization.

652620023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603537.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 652620023 is about 25546.4287719438. The cubic root of 652620023 is about 867.4014252368.

Adding to 652620023 its reverse (320026256), we get a palindrome (972646279).

The spelling of 652620023 in words is "six hundred fifty-two million, six hundred twenty thousand, twenty-three".