23201132231 has 8 divisors (see below), whose sum is σ = 23591458800. Its totient is φ = 22813686720.

The previous prime is 23201132209. The next prime is 23201132239. The reversal of 23201132231 is 13223110232.

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 23201132231 - 2⁶ = 23201132167 is a prime.

It is a super-2 number, since 2×23201132231² (a number of 22 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 (23201132239) 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, 704021 + ... + 736238.

It is an arithmetic number, because the mean of its divisors is an integer number (2948932350).

Almost surely, 2^23201132231 is an apocalyptic number.

23201132231 is a deficient number, since it is larger than the sum of its proper divisors (390326569).

23201132231 is a wasteful number, since it uses less digits than its factorization.

23201132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440529.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 23201132231 its reverse (13223110232), we get a palindrome (36424242463).

The spelling of 23201132231 in words is "twenty-three billion, two hundred one million, one hundred thirty-two thousand, two hundred thirty-one".