425943123 has 4 divisors (see below), whose sum is σ = 567924168. Its totient is φ = 283962080.

The previous prime is 425943113. The next prime is 425943151. The reversal of 425943123 is 321349524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425943123 - 2⁴ = 425943107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425943113) 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 in 3 ways as a sum of consecutive naturals, for example, 70990518 + ... + 70990523.

It is an arithmetic number, because the mean of its divisors is an integer number (141981042).

Almost surely, 2^425943123 is an apocalyptic number.

425943123 is a deficient number, since it is larger than the sum of its proper divisors (141981045).

425943123 is a wasteful number, since it uses less digits than its factorization.

425943123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141981044.

The product of its digits is 25920, while the sum is 33.

The square root of 425943123 is about 20638.3895447295. The cubic root of 425943123 is about 752.4030319160.

The spelling of 425943123 in words is "four hundred twenty-five million, nine hundred forty-three thousand, one hundred twenty-three".