423452957 has 2 divisors, whose sum is σ = 423452958. Its totient is φ = 423452956.

The previous prime is 423452941. The next prime is 423452959. The reversal of 423452957 is 759254324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 398162116 + 25290841 = 19954^2 + 5029^2 .

It is a cyclic number.

It is not a de Polignac number, because 423452957 - 2⁴ = 423452941 is a prime.

Together with 423452959, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423452959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211726478 + 211726479.

It is an arithmetic number, because the mean of its divisors is an integer number (211726479).

Almost surely, 2^423452957 is an apocalyptic number.

It is an amenable number.

423452957 is a deficient number, since it is larger than the sum of its proper divisors (1).

423452957 is an equidigital number, since it uses as much as digits as its factorization.

423452957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 423452957 is about 20577.9726163682. The cubic root of 423452957 is about 750.9339221994.

The spelling of 423452957 in words is "four hundred twenty-three million, four hundred fifty-two thousand, nine hundred fifty-seven".