403223329 has 2 divisors, whose sum is σ = 403223330. Its totient is φ = 403223328.

The previous prime is 403223309. The next prime is 403223389. The reversal of 403223329 is 923322304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235469025 + 167754304 = 15345^2 + 12952^2 .

It is a cyclic number.

It is not a de Polignac number, because 403223329 - 2⁵ = 403223297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 403223297 and 403223306.

It is not a weakly prime, because it can be changed into another prime (403223309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611664 + 201611665.

It is an arithmetic number, because the mean of its divisors is an integer number (201611665).

Almost surely, 2^403223329 is an apocalyptic number.

It is an amenable number.

403223329 is a deficient number, since it is larger than the sum of its proper divisors (1).

403223329 is an equidigital number, since it uses as much as digits as its factorization.

403223329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 403223329 is about 20080.4215344200. The cubic root of 403223329 is about 738.7801481432.

The spelling of 403223329 in words is "four hundred three million, two hundred twenty-three thousand, three hundred twenty-nine".