1023300 has 72 divisors (see below), whose sum is σ = 3298400. Its totient is φ = 272160.

The previous prime is 1023299. The next prime is 1023301. The reversal of 1023300 is 33201.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1023299) and next prime (1023301).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1023301) 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, 2511 + ... + 2889.

2^1023300 is an apocalyptic number.

1023300 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 1023300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649200).

1023300 is an abundant number, since it is smaller than the sum of its proper divisors (2275100).

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

1023300 is a wasteful number, since it uses less digits than its factorization.

1023300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 389 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 1023300 is about 1011.5829180052. The cubic root of 1023300 is about 100.7707114454.

Adding to 1023300 its reverse (33201), we get a palindrome (1056501).

Subtracting from 1023300 its reverse (33201), we obtain a palindrome (990099).

The spelling of 1023300 in words is "one million, twenty-three thousand, three hundred".