1340232223 has 8 divisors (see below), whose sum is σ = 1465333200. Its totient is φ = 1215674880.

The previous prime is 1340232209. The next prime is 1340232239. The reversal of 1340232223 is 3222320431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1340232223 - 2⁵ = 1340232191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340232194 and 1340232203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340232263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130740 + ... + 140617.

It is an arithmetic number, because the mean of its divisors is an integer number (183166650).

Almost surely, 2^1340232223 is an apocalyptic number.

1340232223 is a deficient number, since it is larger than the sum of its proper divisors (125100977).

1340232223 is a wasteful number, since it uses less digits than its factorization.

1340232223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271817.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1340232223 is about 36609.1822224971. The cubic root of 1340232223 is about 1102.5374542802.

Adding to 1340232223 its reverse (3222320431), we get a palindrome (4562552654).

The spelling of 1340232223 in words is "one billion, three hundred forty million, two hundred thirty-two thousand, two hundred twenty-three".