223656047 has 2 divisors, whose sum is σ = 223656048. Its totient is φ = 223656046.

The previous prime is 223656007. The next prime is 223656053. The reversal of 223656047 is 740656322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223656047 - 2²⁰ = 222607471 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223655998 and 223656016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223656007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111828023 + 111828024.

It is an arithmetic number, because the mean of its divisors is an integer number (111828024).

Almost surely, 2^223656047 is an apocalyptic number.

223656047 is a deficient number, since it is larger than the sum of its proper divisors (1).

223656047 is an equidigital number, since it uses as much as digits as its factorization.

223656047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 223656047 is about 14955.1344694723. The cubic root of 223656047 is about 607.0067887424.

The spelling of 223656047 in words is "two hundred twenty-three million, six hundred fifty-six thousand, forty-seven".