425516423 has 8 divisors (see below), whose sum is σ = 430168320. Its totient is φ = 420877240.

The previous prime is 425516417. The next prime is 425516431. The reversal of 425516423 is 324615524.

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 425516423 - 2⁴ = 425516407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425516423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425516023) 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, 74168 + ... + 79698.

It is an arithmetic number, because the mean of its divisors is an integer number (53771040).

Almost surely, 2^425516423 is an apocalyptic number.

425516423 is a deficient number, since it is larger than the sum of its proper divisors (4651897).

425516423 is a wasteful number, since it uses less digits than its factorization.

425516423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6357.

The product of its digits is 28800, while the sum is 32.

The square root of 425516423 is about 20628.0494230550. The cubic root of 425516423 is about 752.1517013016.

The spelling of 425516423 in words is "four hundred twenty-five million, five hundred sixteen thousand, four hundred twenty-three".