423514397 has 2 divisors, whose sum is σ = 423514398. Its totient is φ = 423514396.

The previous prime is 423514373. The next prime is 423514409. The reversal of 423514397 is 793415324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 412049401 + 11464996 = 20299^2 + 3386^2 .

It is a cyclic number.

It is not a de Polignac number, because 423514397 - 2⁸ = 423514141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 423514397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423514327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211757198 + 211757199.

It is an arithmetic number, because the mean of its divisors is an integer number (211757199).

Almost surely, 2^423514397 is an apocalyptic number.

It is an amenable number.

423514397 is a deficient number, since it is larger than the sum of its proper divisors (1).

423514397 is an equidigital number, since it uses as much as digits as its factorization.

423514397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 38.

The square root of 423514397 is about 20579.4654206566. The cubic root of 423514397 is about 750.9702388261.

The spelling of 423514397 in words is "four hundred twenty-three million, five hundred fourteen thousand, three hundred ninety-seven".