1423507 has 2 divisors, whose sum is σ = 1423508. Its totient is φ = 1423506.

The previous prime is 1423483. The next prime is 1423511. The reversal of 1423507 is 7053241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1423507 - 2⁷ = 1423379 is a prime.

It is a Chen prime.

It is a zygodrome in base 3.

It is not a weakly prime, because it can be changed into another prime (1423547) 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, 711753 + 711754.

It is an arithmetic number, because the mean of its divisors is an integer number (711754).

2^1423507 is an apocalyptic number.

1423507 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423507 is an equidigital number, since it uses as much as digits as its factorization.

1423507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 1423507 is about 1193.1081258629. The cubic root of 1423507 is about 112.4915417509.

Adding to 1423507 its reverse (7053241), we get a palindrome (8476748).

The spelling of 1423507 in words is "one million, four hundred twenty-three thousand, five hundred seven".