223132301231 has 4 divisors (see below), whose sum is σ = 255008344272. Its totient is φ = 191256258192.

The previous prime is 223132301173. The next prime is 223132301233. The reversal of 223132301231 is 132103231322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223132301231 - 2²⁶ = 223065192367 is a prime.

It is a super-3 number, since 3×223132301231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223132301197 and 223132301206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223132301233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15938021510 + ... + 15938021523.

It is an arithmetic number, because the mean of its divisors is an integer number (63752086068).

Almost surely, 2^223132301231 is an apocalyptic number.

223132301231 is a deficient number, since it is larger than the sum of its proper divisors (31876043041).

223132301231 is an equidigital number, since it uses as much as digits as its factorization.

223132301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31876043040.

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

Adding to 223132301231 its reverse (132103231322), we get a palindrome (355235532553).

The spelling of 223132301231 in words is "two hundred twenty-three billion, one hundred thirty-two million, three hundred one thousand, two hundred thirty-one".