630606323 has 2 divisors, whose sum is σ = 630606324. Its totient is φ = 630606322.

The previous prime is 630606299. The next prime is 630606329. The reversal of 630606323 is 323606036.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 630606323 - 2¹⁰ = 630605299 is a prime.

It is not a weakly prime, because it can be changed into another prime (630606329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315303161 + 315303162.

It is an arithmetic number, because the mean of its divisors is an integer number (315303162).

Almost surely, 2^630606323 is an apocalyptic number.

630606323 is a deficient number, since it is larger than the sum of its proper divisors (1).

630606323 is an equidigital number, since it uses as much as digits as its factorization.

630606323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 630606323 is about 25111.8761346101. The cubic root of 630606323 is about 857.5368146553.

The spelling of 630606323 in words is "six hundred thirty million, six hundred six thousand, three hundred twenty-three".