23218315828231 has 8 divisors (see below), whose sum is σ = 23448301722000. Its totient is φ = 22988331926400.

The previous prime is 23218315828199. The next prime is 23218315828261. The reversal of 23218315828231 is 13282851381232.

It is a happy number.

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 23218315828231 - 2⁵ = 23218315828199 is a prime.

It is a super-2 number, since 2×23218315828231² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23218315828261) 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, 36404320 + ... + 37036618.

It is an arithmetic number, because the mean of its divisors is an integer number (2931037715250).

Almost surely, 2^{23218315828231} is an apocalyptic number.

23218315828231 is a deficient number, since it is larger than the sum of its proper divisors (229985893769).

23218315828231 is a wasteful number, since it uses less digits than its factorization.

23218315828231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995969.

The product of its digits is 1105920, while the sum is 49.

The spelling of 23218315828231 in words is "twenty-three trillion, two hundred eighteen billion, three hundred fifteen million, eight hundred twenty-eight thousand, two hundred thirty-one".