223509043 has 2 divisors, whose sum is σ = 223509044. Its totient is φ = 223509042.

The previous prime is 223509019. The next prime is 223509067. The reversal of 223509043 is 340905322.

It is a balanced prime because it is at equal distance from previous prime (223509019) and next prime (223509067).

It is a cyclic number.

It is not a de Polignac number, because 223509043 - 2²¹ = 221411891 is a prime.

It is not a weakly prime, because it can be changed into another prime (223509343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111754521 + 111754522.

It is an arithmetic number, because the mean of its divisors is an integer number (111754522).

Almost surely, 2^223509043 is an apocalyptic number.

223509043 is a deficient number, since it is larger than the sum of its proper divisors (1).

223509043 is an equidigital number, since it uses as much as digits as its factorization.

223509043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 223509043 is about 14950.2188278299. The cubic root of 223509043 is about 606.8737690388.

The spelling of 223509043 in words is "two hundred twenty-three million, five hundred nine thousand, forty-three".