23971389556005 has 128 divisors (see below), whose sum is σ = 45047140300800. Its totient is φ = 12061049651712.

The previous prime is 23971389555973. The next prime is 23971389556031. The reversal of 23971389556005 is 50065598317932.

It is a happy number.

23971389556005 is a `hidden beast` number, since 2 + 3 + 9 + 7 + 13 + 8 + 9 + 5 + 5 + 600 + 5 = 666.

It is not a de Polignac number, because 23971389556005 - 2⁵ = 23971389555973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1181021017 + ... + 1181041313.

It is an arithmetic number, because the mean of its divisors is an integer number (351930783600).

Almost surely, 2^{23971389556005} is an apocalyptic number.

It is an amenable number.

23971389556005 is a deficient number, since it is larger than the sum of its proper divisors (21075750744795).

23971389556005 is a wasteful number, since it uses less digits than its factorization.

23971389556005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22240 (or 22234 counting only the distinct ones).

The product of its (nonzero) digits is 61236000, while the sum is 63.

The spelling of 23971389556005 in words is "twenty-three trillion, nine hundred seventy-one billion, three hundred eighty-nine million, five hundred fifty-six thousand, five".