629489123 has 2 divisors, whose sum is σ = 629489124. Its totient is φ = 629489122.

The previous prime is 629489027. The next prime is 629489129. The reversal of 629489123 is 321984926.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 629489123 - 2¹⁰ = 629488099 is a prime.

It is not a weakly prime, because it can be changed into another prime (629489129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314744561 + 314744562.

It is an arithmetic number, because the mean of its divisors is an integer number (314744562).

Almost surely, 2^629489123 is an apocalyptic number.

629489123 is a deficient number, since it is larger than the sum of its proper divisors (1).

629489123 is an equidigital number, since it uses as much as digits as its factorization.

629489123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 629489123 is about 25089.6218185926. The cubic root of 629489123 is about 857.0301031431.

The spelling of 629489123 in words is "six hundred twenty-nine million, four hundred eighty-nine thousand, one hundred twenty-three".