704985123 has 4 divisors (see below), whose sum is σ = 939980168. Its totient is φ = 469990080.

The previous prime is 704985103. The next prime is 704985131. The reversal of 704985123 is 321589407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321589407 = 3 ⋅107196469.

It is not a de Polignac number, because 704985123 - 2¹⁰ = 704984099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (704985103) 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 in 3 ways as a sum of consecutive naturals, for example, 117497518 + ... + 117497523.

It is an arithmetic number, because the mean of its divisors is an integer number (234995042).

Almost surely, 2^704985123 is an apocalyptic number.

704985123 is a deficient number, since it is larger than the sum of its proper divisors (234995045).

704985123 is a wasteful number, since it uses less digits than its factorization.

704985123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234995044.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 704985123 is about 26551.5559431081. Note that the first 3 decimals coincide. The cubic root of 704985123 is about 890.0067848660.

The spelling of 704985123 in words is "seven hundred four million, nine hundred eighty-five thousand, one hundred twenty-three".