425555123 has 8 divisors (see below), whose sum is σ = 493608192. Its totient is φ = 359316936.

The previous prime is 425555107. The next prime is 425555129. The reversal of 425555123 is 321555524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 425555123 - 2⁴ = 425555107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425555123.

It is not an unprimeable number, because it can be changed into a prime (425555129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453215 + ... + 454152.

It is an arithmetic number, because the mean of its divisors is an integer number (61701024).

Almost surely, 2^425555123 is an apocalyptic number.

425555123 is a deficient number, since it is larger than the sum of its proper divisors (68053069).

425555123 is an equidigital number, since it uses as much as digits as its factorization.

425555123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907441.

The product of its digits is 30000, while the sum is 32.

The square root of 425555123 is about 20628.9874448554. The cubic root of 425555123 is about 752.1745029193.

The spelling of 425555123 in words is "four hundred twenty-five million, five hundred fifty-five thousand, one hundred twenty-three".