1344400223 has 4 divisors (see below), whose sum is σ = 1356734280. Its totient is φ = 1332066168.

The previous prime is 1344400139. The next prime is 1344400229. The reversal of 1344400223 is 3220044431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3220044431 = 31 ⋅103872401.

It is a cyclic number.

It is not a de Polignac number, because 1344400223 - 2¹⁴ = 1344383839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344400229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6166865 + ... + 6167082.

It is an arithmetic number, because the mean of its divisors is an integer number (339183570).

Almost surely, 2^1344400223 is an apocalyptic number.

1344400223 is a deficient number, since it is larger than the sum of its proper divisors (12334057).

1344400223 is a wasteful number, since it uses less digits than its factorization.

1344400223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334056.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1344400223 is about 36666.0636420110. The cubic root of 1344400223 is about 1103.6792018347.

Adding to 1344400223 its reverse (3220044431), we get a palindrome (4564444654).

The spelling of 1344400223 in words is "one billion, three hundred forty-four million, four hundred thousand, two hundred twenty-three".