223428307 has 2 divisors, whose sum is σ = 223428308. Its totient is φ = 223428306.

The previous prime is 223428287. The next prime is 223428319. The reversal of 223428307 is 703824322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 223428307 - 2²⁷ = 89210579 is a prime.

It is not a weakly prime, because it can be changed into another prime (223428367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111714153 + 111714154.

It is an arithmetic number, because the mean of its divisors is an integer number (111714154).

Almost surely, 2^223428307 is an apocalyptic number.

223428307 is a deficient number, since it is larger than the sum of its proper divisors (1).

223428307 is an equidigital number, since it uses as much as digits as its factorization.

223428307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 223428307 is about 14947.5184228018. The cubic root of 223428307 is about 606.8006885336.

The spelling of 223428307 in words is "two hundred twenty-three million, four hundred twenty-eight thousand, three hundred seven".