654868823 has 8 divisors (see below), whose sum is σ = 753189792. Its totient is φ = 557739936.

The previous prime is 654868793. The next prime is 654868859. The reversal of 654868823 is 328868456.

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 654868823 - 2⁶ = 654868759 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 (654868873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296840 + ... + 299037.

It is an arithmetic number, because the mean of its divisors is an integer number (94148724).

Almost surely, 2^654868823 is an apocalyptic number.

654868823 is a deficient number, since it is larger than the sum of its proper divisors (98320969).

654868823 is a wasteful number, since it uses less digits than its factorization.

654868823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596041.

The product of its digits is 2211840, while the sum is 50.

The square root of 654868823 is about 25590.4049010562. The cubic root of 654868823 is about 868.3965812032.

The spelling of 654868823 in words is "six hundred fifty-four million, eight hundred sixty-eight thousand, eight hundred twenty-three".