403223449 has 2 divisors, whose sum is σ = 403223450. Its totient is φ = 403223448.

The previous prime is 403223407. The next prime is 403223461. The reversal of 403223449 is 944322304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 279123849 + 124099600 = 16707^2 + 11140^2 .

It is a cyclic number.

It is not a de Polignac number, because 403223449 - 2¹⁷ = 403092377 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 403223449.

It is not a weakly prime, because it can be changed into another prime (403226449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201611724 + 201611725.

It is an arithmetic number, because the mean of its divisors is an integer number (201611725).

Almost surely, 2^403223449 is an apocalyptic number.

It is an amenable number.

403223449 is a deficient number, since it is larger than the sum of its proper divisors (1).

403223449 is an equidigital number, since it uses as much as digits as its factorization.

403223449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 403223449 is about 20080.4245224049. The cubic root of 403223449 is about 738.7802214306.

The spelling of 403223449 in words is "four hundred three million, two hundred twenty-three thousand, four hundred forty-nine".