223951796771 has 2 divisors, whose sum is σ = 223951796772. Its totient is φ = 223951796770.

The previous prime is 223951796737. The next prime is 223951796773. The reversal of 223951796771 is 177697159322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223951796771 - 2⁶ = 223951796707 is a prime.

Together with 223951796773, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 223951796771.

It is not a weakly prime, because it can be changed into another prime (223951796773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111975898385 + 111975898386.

It is an arithmetic number, because the mean of its divisors is an integer number (111975898386).

Almost surely, 2^223951796771 is an apocalyptic number.

223951796771 is a deficient number, since it is larger than the sum of its proper divisors (1).

223951796771 is an equidigital number, since it uses as much as digits as its factorization.

223951796771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10001880, while the sum is 59.

The spelling of 223951796771 in words is "two hundred twenty-three billion, nine hundred fifty-one million, seven hundred ninety-six thousand, seven hundred seventy-one".