1340331223 has 32 divisors (see below), whose sum is σ = 1704890880. Its totient is φ = 1023408000.

The previous prime is 1340331217. The next prime is 1340331247. The reversal of 1340331223 is 3221330431.

It is a cyclic number.

It is not a de Polignac number, because 1340331223 - 2⁵ = 1340331191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1340331194 and 1340331203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340331523) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2165008 + ... + 2165626.

It is an arithmetic number, because the mean of its divisors is an integer number (53277840).

Almost surely, 2^1340331223 is an apocalyptic number.

1340331223 is a deficient number, since it is larger than the sum of its proper divisors (364559657).

1340331223 is a wasteful number, since it uses less digits than its factorization.

1340331223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1159.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 1340331223 is about 36610.5343173246. The cubic root of 1340331223 is about 1102.5646009489.

Adding to 1340331223 its reverse (3221330431), we get a palindrome (4561661654).

The spelling of 1340331223 in words is "one billion, three hundred forty million, three hundred thirty-one thousand, two hundred twenty-three".