2043423500 has 96 divisors (see below), whose sum is σ = 4694481792. Its totient is φ = 775526400.

The previous prime is 2043423493. The next prime is 2043423521. The reversal of 2043423500 is 53243402.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1574852 + ... + 1576148.

It is an arithmetic number, because the mean of its divisors is an integer number (48900852).

Almost surely, 2^2043423500 is an apocalyptic number.

2043423500 is a gapful number since it is divisible by the number (20) 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 2043423500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2347240896).

2043423500 is an abundant number, since it is smaller than the sum of its proper divisors (2651058292).

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

2043423500 is a wasteful number, since it uses less digits than its factorization.

2043423500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1464 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2043423500 is about 45204.2420575769. The cubic root of 2043423500 is about 1268.9742062944.

Adding to 2043423500 its reverse (53243402), we get a palindrome (2096666902).

It can be divided in two parts, 20434 and 23500, that added together give a palindrome (43934).

The spelling of 2043423500 in words is "two billion, forty-three million, four hundred twenty-three thousand, five hundred".