202223231231 has 6 divisors (see below), whose sum is σ = 235239269040. Its totient is φ = 173334198156.

The previous prime is 202223231207. The next prime is 202223231233. The reversal of 202223231231 is 132132322202.

It is not a de Polignac number, because 202223231231 - 2³⁴ = 185043362047 is a prime.

It is a super-2 number, since 2×202223231231² (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 = 202223231197 and 202223231206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202223231233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2063502311 + ... + 2063502408.

It is an arithmetic number, because the mean of its divisors is an integer number (39206544840).

Almost surely, 2^202223231231 is an apocalyptic number.

202223231231 is a deficient number, since it is larger than the sum of its proper divisors (33016037809).

202223231231 is an equidigital number, since it uses as much as digits as its factorization.

202223231231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127004733 (or 4127004726 counting only the distinct ones).

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

Adding to 202223231231 its reverse (132132322202), we get a palindrome (334355553433).

The spelling of 202223231231 in words is "two hundred two billion, two hundred twenty-three million, two hundred thirty-one thousand, two hundred thirty-one".