1423500 has 96 divisors (see below), whose sum is σ = 4525248. Its totient is φ = 345600.

The previous prime is 1423483. The next prime is 1423507. The reversal of 1423500 is 53241.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1423500.

It is not an unprimeable number, because it can be changed into a prime (1423507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19464 + ... + 19536.

It is an arithmetic number, because the mean of its divisors is an integer number (47138).

2^1423500 is an apocalyptic number.

1423500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2262624).

1423500 is an abundant number, since it is smaller than the sum of its proper divisors (3101748).

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

1423500 is a wasteful number, since it uses less digits than its factorization.

1423500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1423500 is about 1193.1051923447. The cubic root of 1423500 is about 112.4913573608.

Adding to 1423500 its reverse (53241), we get a palindrome (1476741).

The spelling of 1423500 in words is "one million, four hundred twenty-three thousand, five hundred".