912423397 has 2 divisors, whose sum is σ = 912423398. Its totient is φ = 912423396.

The previous prime is 912423329. The next prime is 912423431. The reversal of 912423397 is 793324219.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 600936196 + 311487201 = 24514^2 + 17649^2 .

It is an emirp because it is prime and its reverse (793324219) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-912423397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912423697) 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, 456211698 + 456211699.

It is an arithmetic number, because the mean of its divisors is an integer number (456211699).

Almost surely, 2^912423397 is an apocalyptic number.

It is an amenable number.

912423397 is a deficient number, since it is larger than the sum of its proper divisors (1).

912423397 is an equidigital number, since it uses as much as digits as its factorization.

912423397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81648, while the sum is 40.

The square root of 912423397 is about 30206.3469654972. The cubic root of 912423397 is about 969.9115648997.

The spelling of 912423397 in words is "nine hundred twelve million, four hundred twenty-three thousand, three hundred ninety-seven".