630824723 has 2 divisors, whose sum is σ = 630824724. Its totient is φ = 630824722.

The previous prime is 630824713. The next prime is 630824737. The reversal of 630824723 is 327428036.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 630824723 - 2¹² = 630820627 is a prime.

It is a super-2 number, since 2×630824723² = 795879662296053458, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (630824713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315412361 + 315412362.

It is an arithmetic number, because the mean of its divisors is an integer number (315412362).

Almost surely, 2^630824723 is an apocalyptic number.

630824723 is a deficient number, since it is larger than the sum of its proper divisors (1).

630824723 is an equidigital number, since it uses as much as digits as its factorization.

630824723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 630824723 is about 25116.2242982499. The cubic root of 630824723 is about 857.6358010945.

The spelling of 630824723 in words is "six hundred thirty million, eight hundred twenty-four thousand, seven hundred twenty-three".