423223049 has 2 divisors, whose sum is σ = 423223050. Its totient is φ = 423223048.

The previous prime is 423223001. The next prime is 423223079. The reversal of 423223049 is 940322324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225961024 + 197262025 = 15032^2 + 14045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-423223049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (423223079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211611524 + 211611525.

It is an arithmetic number, because the mean of its divisors is an integer number (211611525).

Almost surely, 2^423223049 is an apocalyptic number.

It is an amenable number.

423223049 is a deficient number, since it is larger than the sum of its proper divisors (1).

423223049 is an equidigital number, since it uses as much as digits as its factorization.

423223049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 423223049 is about 20572.3855933142. The cubic root of 423223049 is about 750.7979944904.

The spelling of 423223049 in words is "four hundred twenty-three million, two hundred twenty-three thousand, forty-nine".