1243203324 has 48 divisors (see below), whose sum is σ = 3180979200. Its totient is φ = 374768640.

The previous prime is 1243203301. The next prime is 1243203331. The reversal of 1243203324 is 4233023421.

1243203324 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1243203294 and 1243203303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1077 + ... + 49875.

It is an arithmetic number, because the mean of its divisors is an integer number (66270400).

Almost surely, 2^1243203324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1243203324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590489600).

1243203324 is an abundant number, since it is smaller than the sum of its proper divisors (1937775876).

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

1243203324 is a wasteful number, since it uses less digits than its factorization.

1243203324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49010 (or 49008 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 1243203324 is about 35259.0885304768. The cubic root of 1243203324 is about 1075.2613963942.

Adding to 1243203324 its reverse (4233023421), we get a palindrome (5476226745).

The spelling of 1243203324 in words is "one billion, two hundred forty-three million, two hundred three thousand, three hundred twenty-four".