629042123 has 2 divisors, whose sum is σ = 629042124. Its totient is φ = 629042122.

The previous prime is 629042119. The next prime is 629042147. The reversal of 629042123 is 321240926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 629042123 - 2² = 629042119 is a prime.

It is not a weakly prime, because it can be changed into another prime (629042023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 314521061 + 314521062.

It is an arithmetic number, because the mean of its divisors is an integer number (314521062).

Almost surely, 2^629042123 is an apocalyptic number.

629042123 is a deficient number, since it is larger than the sum of its proper divisors (1).

629042123 is an equidigital number, since it uses as much as digits as its factorization.

629042123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 629042123 is about 25080.7121709093. The cubic root of 629042123 is about 856.8271961848.

The spelling of 629042123 in words is "six hundred twenty-nine million, forty-two thousand, one hundred twenty-three".