223403624231 has 2 divisors, whose sum is σ = 223403624232. Its totient is φ = 223403624230.

The previous prime is 223403624141. The next prime is 223403624233. The reversal of 223403624231 is 132426304322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223403624231 is a prime.

It is a super-2 number, since 2×223403624231² (a number of 23 digits) contains 22 as substring.

Together with 223403624233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223403624233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111701812115 + 111701812116.

It is an arithmetic number, because the mean of its divisors is an integer number (111701812116).

Almost surely, 2^223403624231 is an apocalyptic number.

223403624231 is a deficient number, since it is larger than the sum of its proper divisors (1).

223403624231 is an equidigital number, since it uses as much as digits as its factorization.

223403624231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 223403624231 its reverse (132426304322), we get a palindrome (355829928553).

The spelling of 223403624231 in words is "two hundred twenty-three billion, four hundred three million, six hundred twenty-four thousand, two hundred thirty-one".