202312232231 has 16 divisors (see below), whose sum is σ = 217756509120. Its totient is φ = 187262599680.

The previous prime is 202312232203. The next prime is 202312232233. The reversal of 202312232231 is 132232213202.

It is not a de Polignac number, because 202312232231 - 2¹⁸ = 202311970087 is a prime.

It is a super-2 number, since 2×202312232231² (a number of 23 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 = 202312232197 and 202312232206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202312232233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727110 + ... + 11744348.

It is an arithmetic number, because the mean of its divisors is an integer number (13609781820).

Almost surely, 2^202312232231 is an apocalyptic number.

202312232231 is a deficient number, since it is larger than the sum of its proper divisors (15444276889).

202312232231 is a wasteful number, since it uses less digits than its factorization.

202312232231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 202312232231 its reverse (132232213202), we get a palindrome (334544445433).

The spelling of 202312232231 in words is "two hundred two billion, three hundred twelve million, two hundred thirty-two thousand, two hundred thirty-one".