923947854863 has 16 divisors (see below), whose sum is σ = 1018071973152. Its totient is φ = 831514320000.

The previous prime is 923947854839. The next prime is 923947854871. The reversal of 923947854863 is 368458749329.

It is a cyclic number.

It is not a de Polignac number, because 923947854863 - 2¹² = 923947850767 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 923947854793 and 923947854802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923947854833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8000753 + ... + 8115413.

It is an arithmetic number, because the mean of its divisors is an integer number (63629498322).

Almost surely, 2^923947854863 is an apocalyptic number.

923947854863 is a deficient number, since it is larger than the sum of its proper divisors (94124118289).

923947854863 is a wasteful number, since it uses less digits than its factorization.

923947854863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122026.

The product of its digits is 313528320, while the sum is 68.

The spelling of 923947854863 in words is "nine hundred twenty-three billion, nine hundred forty-seven million, eight hundred fifty-four thousand, eight hundred sixty-three".