1423250 has 16 divisors (see below), whose sum is σ = 2664792. Its totient is φ = 569200.

The previous prime is 1423243. The next prime is 1423259. The reversal of 1423250 is 523241.

It is a Cunningham number, because it is equal to 1193²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 175561 + 1247689 = 419^2 + 1117^2 .

It is not an unprimeable number, because it can be changed into a prime (1423259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2597 + ... + 3096.

2^1423250 is an apocalyptic number.

1423250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1423250 is a deficient number, since it is larger than the sum of its proper divisors (1241542).

1423250 is an equidigital number, since it uses as much as digits as its factorization.

1423250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5710 (or 5700 counting only the distinct ones).

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

The square root of 1423250 is about 1193.0004191114. Note that the first 3 decimals coincide. The cubic root of 1423250 is about 112.4847716013.

Adding to 1423250 its reverse (523241), we get a palindrome (1946491).

Subtracting from 1423250 its reverse (523241), we obtain a palindrome (900009).

The spelling of 1423250 in words is "one million, four hundred twenty-three thousand, two hundred fifty".