23983583984639 has 8 divisors (see below), whose sum is σ = 24154638185520. Its totient is φ = 23812821438336.

The previous prime is 23983583984579. The next prime is 23983583984653. The reversal of 23983583984639 is 93648938538932.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23983583984639 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 (23983573984639) 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, 72748592 + ... + 73077525.

It is an arithmetic number, because the mean of its divisors is an integer number (3019329773190).

Almost surely, 2^{23983583984639} is an apocalyptic number.

23983583984639 is a deficient number, since it is larger than the sum of its proper divisors (171054200881).

23983583984639 is a wasteful number, since it uses less digits than its factorization.

23983583984639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145827289.

The product of its digits is 7255941120, while the sum is 80.

The spelling of 23983583984639 in words is "twenty-three trillion, nine hundred eighty-three billion, five hundred eighty-three million, nine hundred eighty-four thousand, six hundred thirty-nine".