1423897 has 2 divisors, whose sum is σ = 1423898. Its totient is φ = 1423896.

The previous prime is 1423853. The next prime is 1423901. The reversal of 1423897 is 7983241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1390041 + 33856 = 1179^2 + 184^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423897 - 2¹⁵ = 1391129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711948 + 711949.

It is an arithmetic number, because the mean of its divisors is an integer number (711949).

2^1423897 is an apocalyptic number.

It is an amenable number.

1423897 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423897 is an equidigital number, since it uses as much as digits as its factorization.

1423897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 1423897 is about 1193.2715533356. The cubic root of 1423897 is about 112.5018139625.

The spelling of 1423897 in words is "one million, four hundred twenty-three thousand, eight hundred ninety-seven".