223456412256361 has 2 divisors, whose sum is σ = 223456412256362. Its totient is φ = 223456412256360.

The previous prime is 223456412256271. The next prime is 223456412256367. The reversal of 223456412256361 is 163652214654322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178557902853136 + 44898509403225 = 13362556^2 + 6700635^2 .

It is a cyclic number.

It is not a de Polignac number, because 223456412256361 - 2⁹ = 223456412255849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223456412256299 and 223456412256308.

It is not a weakly prime, because it can be changed into another prime (223456412256367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111728206128180 + 111728206128181.

It is an arithmetic number, because the mean of its divisors is an integer number (111728206128181).

Almost surely, 2^{223456412256361} is an apocalyptic number.

It is an amenable number.

223456412256361 is a deficient number, since it is larger than the sum of its proper divisors (1).

223456412256361 is an equidigital number, since it uses as much as digits as its factorization.

223456412256361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 52.

The spelling of 223456412256361 in words is "two hundred twenty-three trillion, four hundred fifty-six billion, four hundred twelve million, two hundred fifty-six thousand, three hundred sixty-one".