425663223 has 8 divisors (see below), whose sum is σ = 569646336. Its totient is φ = 282727800.

The previous prime is 425663209. The next prime is 425663279. The reversal of 425663223 is 322366524.

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

It is not a de Polignac number, because 425663223 - 2¹² = 425659127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425663123) 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 in 7 ways as a sum of consecutive naturals, for example, 260973 + ... + 262598.

It is an arithmetic number, because the mean of its divisors is an integer number (71205792).

Almost surely, 2^425663223 is an apocalyptic number.

425663223 is a deficient number, since it is larger than the sum of its proper divisors (143983113).

425663223 is a wasteful number, since it uses less digits than its factorization.

425663223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523845.

The product of its digits is 51840, while the sum is 33.

The square root of 425663223 is about 20631.6073780014. The cubic root of 425663223 is about 752.2381869370.

The spelling of 425663223 in words is "four hundred twenty-five million, six hundred sixty-three thousand, two hundred twenty-three".