223053643 has 2 divisors, whose sum is σ = 223053644. Its totient is φ = 223053642.

The previous prime is 223053547. The next prime is 223053659. The reversal of 223053643 is 346350322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223053643 is a prime.

It is not a weakly prime, because it can be changed into another prime (223053043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111526821 + 111526822.

It is an arithmetic number, because the mean of its divisors is an integer number (111526822).

Almost surely, 2^223053643 is an apocalyptic number.

223053643 is a deficient number, since it is larger than the sum of its proper divisors (1).

223053643 is an equidigital number, since it uses as much as digits as its factorization.

223053643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 28.

The square root of 223053643 is about 14934.9805155547. The cubic root of 223053643 is about 606.4613200612.

The spelling of 223053643 in words is "two hundred twenty-three million, fifty-three thousand, six hundred forty-three".