709379123 has 2 divisors, whose sum is σ = 709379124. Its totient is φ = 709379122.

The previous prime is 709379119. The next prime is 709379147. The reversal of 709379123 is 321973907.

It is a weak prime.

It is an emirp because it is prime and its reverse (321973907) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 709379123 - 2² = 709379119 is a prime.

It is not a weakly prime, because it can be changed into another prime (709379173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 354689561 + 354689562.

It is an arithmetic number, because the mean of its divisors is an integer number (354689562).

Almost surely, 2^709379123 is an apocalyptic number.

709379123 is a deficient number, since it is larger than the sum of its proper divisors (1).

709379123 is an equidigital number, since it uses as much as digits as its factorization.

709379123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71442, while the sum is 41.

The square root of 709379123 is about 26634.1720915068. The cubic root of 709379123 is about 891.8520214584.

The spelling of 709379123 in words is "seven hundred nine million, three hundred seventy-nine thousand, one hundred twenty-three".