629696723 has 2 divisors, whose sum is σ = 629696724. Its totient is φ = 629696722.

The previous prime is 629696719. The next prime is 629696777. The reversal of 629696723 is 327696926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629696723 - 2² = 629696719 is a prime.

It is not a weakly prime, because it can be changed into another prime (629696623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314848361 + 314848362.

It is an arithmetic number, because the mean of its divisors is an integer number (314848362).

Almost surely, 2^629696723 is an apocalyptic number.

629696723 is a deficient number, since it is larger than the sum of its proper divisors (1).

629696723 is an equidigital number, since it uses as much as digits as its factorization.

629696723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 50.

The square root of 629696723 is about 25093.7586463248. The cubic root of 629696723 is about 857.1243064623.

The spelling of 629696723 in words is "six hundred twenty-nine million, six hundred ninety-six thousand, seven hundred twenty-three".