23632117231521 has 8 divisors (see below), whose sum is σ = 31514237218624. Its totient is φ = 15752371032720.

The previous prime is 23632117231483. The next prime is 23632117231529. The reversal of 23632117231521 is 12513271123632.

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

It is not a de Polignac number, because 23632117231521 - 2¹³ = 23632117223329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23632117231521.

It is not an unprimeable number, because it can be changed into a prime (23632117231529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593423845 + ... + 593463666.

It is an arithmetic number, because the mean of its divisors is an integer number (3939279652328).

Almost surely, 2^{23632117231521} is an apocalyptic number.

It is an amenable number.

23632117231521 is a deficient number, since it is larger than the sum of its proper divisors (7882119987103).

23632117231521 is a wasteful number, since it uses less digits than its factorization.

23632117231521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186894151.

The product of its digits is 90720, while the sum is 39.

The spelling of 23632117231521 in words is "twenty-three trillion, six hundred thirty-two billion, one hundred seventeen million, two hundred thirty-one thousand, five hundred twenty-one".