23213132231 has 8 divisors (see below), whose sum is σ = 23663468304. Its totient is φ = 22763253760.

The previous prime is 23213132213. The next prime is 23213132251. The reversal of 23213132231 is 13223131232.

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 23213132231 - 2¹⁴ = 23213115847 is a prime.

It is a super-2 number, since 2×23213132231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23213132197 and 23213132206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213132251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11066 + ... + 215751.

It is an arithmetic number, because the mean of its divisors is an integer number (2957933538).

Almost surely, 2^23213132231 is an apocalyptic number.

23213132231 is a deficient number, since it is larger than the sum of its proper divisors (450336073).

23213132231 is a wasteful number, since it uses less digits than its factorization.

23213132231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228801.

The product of its digits is 1296, while the sum is 23.

Adding to 23213132231 its reverse (13223131232), we get a palindrome (36436263463).

Subtracting from 23213132231 its reverse (13223131232), we obtain a palindrome (9990000999).

The spelling of 23213132231 in words is "twenty-three billion, two hundred thirteen million, one hundred thirty-two thousand, two hundred thirty-one".