654612061823 has 8 divisors (see below), whose sum is σ = 668705284800. Its totient is φ = 640525726720.

The previous prime is 654612061811. The next prime is 654612061877. The reversal of 654612061823 is 328160216456.

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 654612061823 - 2²⁶ = 654544952959 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 (654612061723) 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, 1529618 + ... + 1910223.

It is an arithmetic number, because the mean of its divisors is an integer number (83588160600).

Almost surely, 2^654612061823 is an apocalyptic number.

654612061823 is a deficient number, since it is larger than the sum of its proper divisors (14093222977).

654612061823 is a wasteful number, since it uses less digits than its factorization.

654612061823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3443937.

The product of its (nonzero) digits is 414720, while the sum is 44.

The spelling of 654612061823 in words is "six hundred fifty-four billion, six hundred twelve million, sixty-one thousand, eight hundred twenty-three".