1423450 has 48 divisors (see below), whose sum is σ = 3124800. Its totient is φ = 482160.

The previous prime is 1423441. The next prime is 1423451. The reversal of 1423450 is 543241.

It is not an unprimeable number, because it can be changed into a prime (1423451) 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 23 ways as a sum of consecutive naturals, for example, 17109 + ... + 17191.

It is an arithmetic number, because the mean of its divisors is an integer number (65100).

2^1423450 is an apocalyptic number.

1423450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423450 is an abundant number, since it is smaller than the sum of its proper divisors (1701350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1423450 is an equidigital number, since it uses as much as digits as its factorization.

1423450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1423450 is about 1193.0842384342. The cubic root of 1423450 is about 112.4900402705.

Adding to 1423450 its reverse (543241), we get a palindrome (1966691).

The spelling of 1423450 in words is "one million, four hundred twenty-three thousand, four hundred fifty".