1423453 has 2 divisors, whose sum is σ = 1423454. Its totient is φ = 1423452.

The previous prime is 1423451. The next prime is 1423463. The reversal of 1423453 is 3543241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1375929 + 47524 = 1173^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423453 - 2¹ = 1423451 is a prime.

Together with 1423451, it forms a pair of twin primes.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711726 + 711727.

It is an arithmetic number, because the mean of its divisors is an integer number (711727).

2^1423453 is an apocalyptic number.

It is an amenable number.

1423453 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423453 is an equidigital number, since it uses as much as digits as its factorization.

1423453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 22.

The square root of 1423453 is about 1193.0854956792. The cubic root of 1423453 is about 112.4901192968.

Adding to 1423453 its reverse (3543241), we get a palindrome (4966694).

The spelling of 1423453 in words is "one million, four hundred twenty-three thousand, four hundred fifty-three".