1344431233 has 2 divisors, whose sum is σ = 1344431234. Its totient is φ = 1344431232.

The previous prime is 1344431197. The next prime is 1344431269. The reversal of 1344431233 is 3321344431.

It is a balanced prime because it is at equal distance from previous prime (1344431197) and next prime (1344431269).

It can be written as a sum of positive squares in only one way, i.e., 697593744 + 646837489 = 26412^2 + 25433^2 .

It is an emirp because it is prime and its reverse (3321344431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344431233 is a prime.

It is not a weakly prime, because it can be changed into another prime (1344431633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672215616 + 672215617.

It is an arithmetic number, because the mean of its divisors is an integer number (672215617).

Almost surely, 2^1344431233 is an apocalyptic number.

It is an amenable number.

1344431233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1344431233 is an equidigital number, since it uses as much as digits as its factorization.

1344431233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 28.

The square root of 1344431233 is about 36666.4865101635. The cubic root of 1344431233 is about 1103.6876876086.

Adding to 1344431233 its reverse (3321344431), we get a palindrome (4665775664).

The spelling of 1344431233 in words is "one billion, three hundred forty-four million, four hundred thirty-one thousand, two hundred thirty-three".