223231216751 has 2 divisors, whose sum is σ = 223231216752. Its totient is φ = 223231216750.

The previous prime is 223231216739. The next prime is 223231216777. The reversal of 223231216751 is 157612132322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223231216751 is a prime.

It is a super-3 number, since 3×223231216751³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223231216951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111615608375 + 111615608376.

It is an arithmetic number, because the mean of its divisors is an integer number (111615608376).

Almost surely, 2^223231216751 is an apocalyptic number.

223231216751 is a deficient number, since it is larger than the sum of its proper divisors (1).

223231216751 is an equidigital number, since it uses as much as digits as its factorization.

223231216751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

The spelling of 223231216751 in words is "two hundred twenty-three billion, two hundred thirty-one million, two hundred sixteen thousand, seven hundred fifty-one".