1423237 has 2 divisors, whose sum is σ = 1423238. Its totient is φ = 1423236.

The previous prime is 1423231. The next prime is 1423243. The reversal of 1423237 is 7323241.

It is a balanced prime because it is at equal distance from previous prime (1423231) and next prime (1423243).

It can be written as a sum of positive squares in only one way, i.e., 1406596 + 16641 = 1186^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 1423237 - 2¹⁵ = 1390469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1423231) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711618 + 711619.

It is an arithmetic number, because the mean of its divisors is an integer number (711619).

2^1423237 is an apocalyptic number.

It is an amenable number.

1423237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1423237 is an equidigital number, since it uses as much as digits as its factorization.

1423237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1008, while the sum is 22.

The square root of 1423237 is about 1192.9949706516. The cubic root of 1423237 is about 112.4844291207.

Adding to 1423237 its reverse (7323241), we get a palindrome (8746478).

The spelling of 1423237 in words is "one million, four hundred twenty-three thousand, two hundred thirty-seven".