223523078711 has 2 divisors, whose sum is σ = 223523078712. Its totient is φ = 223523078710.

The previous prime is 223523078699. The next prime is 223523078729. The reversal of 223523078711 is 117870325322.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223523078711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223523078771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111761539355 + 111761539356.

It is an arithmetic number, because the mean of its divisors is an integer number (111761539356).

Almost surely, 2^223523078711 is an apocalyptic number.

223523078711 is a deficient number, since it is larger than the sum of its proper divisors (1).

223523078711 is an equidigital number, since it uses as much as digits as its factorization.

223523078711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

The spelling of 223523078711 in words is "two hundred twenty-three billion, five hundred twenty-three million, seventy-eight thousand, seven hundred eleven".