1343233040 has 20 divisors (see below), whose sum is σ = 3123017004. Its totient is φ = 537293184.

The previous prime is 1343233039. The next prime is 1343233043. The reversal of 1343233040 is 403323431.

It can be written as a sum of positive squares in 2 ways, for example, as 622203136 + 721029904 = 24944^2 + 26852^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 1343232997 and 1343233015.

It is not an unprimeable number, because it can be changed into a prime (1343233043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8395127 + ... + 8395286.

Almost surely, 2^1343233040 is an apocalyptic number.

1343233040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343233040 is an abundant number, since it is smaller than the sum of its proper divisors (1779783964).

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

1343233040 is a wasteful number, since it uses less digits than its factorization.

1343233040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16790426 (or 16790420 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

The square root of 1343233040 is about 36650.1437923509. The cubic root of 1343233040 is about 1103.3597115135.

Adding to 1343233040 its reverse (403323431), we get a palindrome (1746556471).

The spelling of 1343233040 in words is "one billion, three hundred forty-three million, two hundred thirty-three thousand, forty".