630087323 has 4 divisors (see below), whose sum is σ = 657482448. Its totient is φ = 602692200.

The previous prime is 630087301. The next prime is 630087343. The reversal of 630087323 is 323780036.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630087323 - 2⁸ = 630087067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630087323.

It is not an unprimeable number, because it can be changed into a prime (630087343) 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 3 ways as a sum of consecutive naturals, for example, 13697528 + ... + 13697573.

It is an arithmetic number, because the mean of its divisors is an integer number (164370612).

Almost surely, 2^630087323 is an apocalyptic number.

630087323 is a deficient number, since it is larger than the sum of its proper divisors (27395125).

630087323 is a wasteful number, since it uses less digits than its factorization.

630087323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27395124.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 630087323 is about 25101.5402515463. The cubic root of 630087323 is about 857.3014941686.

The spelling of 630087323 in words is "six hundred thirty million, eighty-seven thousand, three hundred twenty-three".