1423137 has 4 divisors (see below), whose sum is σ = 1897520. Its totient is φ = 948756.

The previous prime is 1423129. The next prime is 1423159. The reversal of 1423137 is 7313241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1423137 - 2³ = 1423129 is a prime.

It is a D-number.

It is a Duffinian number.

1423137 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1423127) 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 in 3 ways as a sum of consecutive naturals, for example, 237187 + ... + 237192.

It is an arithmetic number, because the mean of its divisors is an integer number (474380).

2^1423137 is an apocalyptic number.

It is an amenable number.

1423137 is a deficient number, since it is larger than the sum of its proper divisors (474383).

1423137 is an equidigital number, since it uses as much as digits as its factorization.

1423137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474382.

The product of its digits is 504, while the sum is 21.

The square root of 1423137 is about 1192.9530585903. The cubic root of 1423137 is about 112.4817945849.

Adding to 1423137 its reverse (7313241), we get a palindrome (8736378).

The spelling of 1423137 in words is "one million, four hundred twenty-three thousand, one hundred thirty-seven".