655672343 has 4 divisors (see below), whose sum is σ = 655755600. Its totient is φ = 655589088.

The previous prime is 655672331. The next prime is 655672403. The reversal of 655672343 is 343276556.

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 655672343 - 2⁶ = 655672279 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 655672343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655672243) 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, 28418 + ... + 46031.

It is an arithmetic number, because the mean of its divisors is an integer number (163938900).

Almost surely, 2^655672343 is an apocalyptic number.

655672343 is a deficient number, since it is larger than the sum of its proper divisors (83257).

655672343 is an equidigital number, since it uses as much as digits as its factorization.

655672343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83256.

The product of its digits is 453600, while the sum is 41.

The square root of 655672343 is about 25606.0997225271. The cubic root of 655672343 is about 868.7516084507.

The spelling of 655672343 in words is "six hundred fifty-five million, six hundred seventy-two thousand, three hundred forty-three".