1423502 has 4 divisors (see below), whose sum is σ = 2135256. Its totient is φ = 711750.

The previous prime is 1423483. The next prime is 1423507. The reversal of 1423502 is 2053241.

1423502 is nontrivially palindromic in base 3.

It is a semiprime because it is the product of two primes.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1423507) 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, 355874 + ... + 355877.

It is an arithmetic number, because the mean of its divisors is an integer number (533814).

2^1423502 is an apocalyptic number.

1423502 is a deficient number, since it is larger than the sum of its proper divisors (711754).

1423502 is an equidigital number, since it uses as much as digits as its factorization.

1423502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711753.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1423502 is about 1193.1060304935. The cubic root of 1423502 is about 112.4914100437.

Adding to 1423502 its reverse (2053241), we get a palindrome (3476743).

The spelling of 1423502 in words is "one million, four hundred twenty-three thousand, five hundred two".