423262949 has 2 divisors, whose sum is σ = 423262950. Its totient is φ = 423262948.

The previous prime is 423262937. The next prime is 423262963. The reversal of 423262949 is 949262324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 409252900 + 14010049 = 20230^2 + 3743^2 .

It is a cyclic number.

It is not a de Polignac number, because 423262949 - 2²⁸ = 154827493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423262999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211631474 + 211631475.

It is an arithmetic number, because the mean of its divisors is an integer number (211631475).

Almost surely, 2^423262949 is an apocalyptic number.

It is an amenable number.

423262949 is a deficient number, since it is larger than the sum of its proper divisors (1).

423262949 is an equidigital number, since it uses as much as digits as its factorization.

423262949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 423262949 is about 20573.3553170114. The cubic root of 423262949 is about 750.8215879586.

The spelling of 423262949 in words is "four hundred twenty-three million, two hundred sixty-two thousand, nine hundred forty-nine".