223457420776201 has 2 divisors, whose sum is σ = 223457420776202. Its totient is φ = 223457420776200.

The previous prime is 223457420776111. The next prime is 223457420776207. The reversal of 223457420776201 is 102677024754322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134946580455801 + 88510840320400 = 11616651^2 + 9408020^2 .

It is a cyclic number.

It is not a de Polignac number, because 223457420776201 - 2¹⁵ = 223457420743433 is a prime.

It is not a weakly prime, because it can be changed into another prime (223457420776207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111728710388100 + 111728710388101.

It is an arithmetic number, because the mean of its divisors is an integer number (111728710388101).

Almost surely, 2^{223457420776201} is an apocalyptic number.

It is an amenable number.

223457420776201 is a deficient number, since it is larger than the sum of its proper divisors (1).

223457420776201 is an equidigital number, since it uses as much as digits as its factorization.

223457420776201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7902720, while the sum is 52.

The spelling of 223457420776201 in words is "two hundred twenty-three trillion, four hundred fifty-seven billion, four hundred twenty million, seven hundred seventy-six thousand, two hundred one".