1243340232 has 16 divisors (see below), whose sum is σ = 3108350640. Its totient is φ = 414446736.

The previous prime is 1243340207. The next prime is 1243340251. The reversal of 1243340232 is 2320433421.

1243340232 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51805843 = 1243340232 / (1 + 2 + 4 + 3 + 3 + 4 + 0 + 2 + 3 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25902898 + ... + 25902945.

It is an arithmetic number, because the mean of its divisors is an integer number (194271915).

Almost surely, 2^1243340232 is an apocalyptic number.

1243340232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1243340232 is an abundant number, since it is smaller than the sum of its proper divisors (1865010408).

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

1243340232 is a wasteful number, since it uses less digits than its factorization.

1243340232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51805852 (or 51805848 counting only the distinct ones).

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

The square root of 1243340232 is about 35261.0299339086. The cubic root of 1243340232 is about 1075.3008660666.

Adding to 1243340232 its reverse (2320433421), we get a palindrome (3563773653).

The spelling of 1243340232 in words is "one billion, two hundred forty-three million, three hundred forty thousand, two hundred thirty-two".