223556623 has 2 divisors, whose sum is σ = 223556624. Its totient is φ = 223556622.

The previous prime is 223556617. The next prime is 223556629. The reversal of 223556623 is 326655322.

223556623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (223556617) and next prime (223556629).

It is a cyclic number.

It is not a de Polignac number, because 223556623 - 2⁵ = 223556591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223556629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111778311 + 111778312.

It is an arithmetic number, because the mean of its divisors is an integer number (111778312).

Almost surely, 2^223556623 is an apocalyptic number.

223556623 is a deficient number, since it is larger than the sum of its proper divisors (1).

223556623 is an equidigital number, since it uses as much as digits as its factorization.

223556623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 34.

The square root of 223556623 is about 14951.8100242078. The cubic root of 223556623 is about 606.9168291985.

The spelling of 223556623 in words is "two hundred twenty-three million, five hundred fifty-six thousand, six hundred twenty-three".