1423553 has 2 divisors, whose sum is σ = 1423554. Its totient is φ = 1423552.

The previous prime is 1423547. The next prime is 1423579. The reversal of 1423553 is 3553241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1281424 + 142129 = 1132^2 + 377^2 .

It is an emirp because it is prime and its reverse (3553241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1423553 - 2⁸ = 1423297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1423453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711776 + 711777.

It is an arithmetic number, because the mean of its divisors is an integer number (711777).

2^1423553 is an apocalyptic number.

It is an amenable number.

1423553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423553 is an equidigital number, since it uses as much as digits as its factorization.

1423553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 23.

The square root of 1423553 is about 1193.1274030882. The cubic root of 1423553 is about 112.4927534427.

Adding to 1423553 its reverse (3553241), we get a palindrome (4976794).

The spelling of 1423553 in words is "one million, four hundred twenty-three thousand, five hundred fifty-three".