223120777823 has 2 divisors, whose sum is σ = 223120777824. Its totient is φ = 223120777822.

The previous prime is 223120777801. The next prime is 223120777843. The reversal of 223120777823 is 328777021322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223120777823 - 2²² = 223116583519 is a prime.

It is a super-3 number, since 3×223120777823³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223120777843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111560388911 + 111560388912.

It is an arithmetic number, because the mean of its divisors is an integer number (111560388912).

Almost surely, 2^223120777823 is an apocalyptic number.

223120777823 is a deficient number, since it is larger than the sum of its proper divisors (1).

223120777823 is an equidigital number, since it uses as much as digits as its factorization.

223120777823 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 223120777823 in words is "two hundred twenty-three billion, one hundred twenty million, seven hundred seventy-seven thousand, eight hundred twenty-three".