1340023223 has 8 divisors (see below), whose sum is σ = 1670678400. Its totient is φ = 1044173880.

The previous prime is 1340023211. The next prime is 1340023229. The reversal of 1340023223 is 3223200431.

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 1340023223 - 2⁴ = 1340023207 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1340023195 and 1340023204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340023229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8701373 + ... + 8701526.

It is an arithmetic number, because the mean of its divisors is an integer number (208834800).

Almost surely, 2^1340023223 is an apocalyptic number.

1340023223 is a deficient number, since it is larger than the sum of its proper divisors (330655177).

1340023223 is a wasteful number, since it uses less digits than its factorization.

1340023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402917.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1340023223 is about 36606.3276360795. The cubic root of 1340023223 is about 1102.4801402558.

Adding to 1340023223 its reverse (3223200431), we get a palindrome (4563223654).

The spelling of 1340023223 in words is "one billion, three hundred forty million, twenty-three thousand, two hundred twenty-three".