1423481 has 2 divisors, whose sum is σ = 1423482. Its totient is φ = 1423480.

The previous prime is 1423469. The next prime is 1423483. The reversal of 1423481 is 1843241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1229881 + 193600 = 1109^2 + 440^2 .

It is an emirp because it is prime and its reverse (1843241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423481 - 2⁶ = 1423417 is a prime.

It is a super-2 number, since 2×1423481² = 4052596314722, which contains 22 as substring.

Together with 1423483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1423483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711740 + 711741.

It is an arithmetic number, because the mean of its divisors is an integer number (711741).

2^1423481 is an apocalyptic number.

It is an amenable number.

1423481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423481 is an equidigital number, since it uses as much as digits as its factorization.

1423481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 23.

The square root of 1423481 is about 1193.0972299021. The cubic root of 1423481 is about 112.4908568701.

The spelling of 1423481 in words is "one million, four hundred twenty-three thousand, four hundred eighty-one".