655554423 has 8 divisors (see below), whose sum is σ = 878215936. Its totient is φ = 434964600.

The previous prime is 655554379. The next prime is 655554451. The reversal of 655554423 is 324455556.

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

It is not a de Polignac number, because 655554423 - 2⁹ = 655553911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655554023) 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, 517183 + ... + 518448.

It is an arithmetic number, because the mean of its divisors is an integer number (109776992).

Almost surely, 2^655554423 is an apocalyptic number.

655554423 is a deficient number, since it is larger than the sum of its proper divisors (222661513).

655554423 is a wasteful number, since it uses less digits than its factorization.

655554423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035845.

The product of its digits is 360000, while the sum is 39.

The square root of 655554423 is about 25603.7970426263. The cubic root of 655554423 is about 868.6995248489.

The spelling of 655554423 in words is "six hundred fifty-five million, five hundred fifty-four thousand, four hundred twenty-three".