1345344023 has 2 divisors, whose sum is σ = 1345344024. Its totient is φ = 1345344022.

The previous prime is 1345343969. The next prime is 1345344041. The reversal of 1345344023 is 3204435431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345344023 - 2¹² = 1345339927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345344043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672672011 + 672672012.

It is an arithmetic number, because the mean of its divisors is an integer number (672672012).

Almost surely, 2^1345344023 is an apocalyptic number.

1345344023 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345344023 is an equidigital number, since it uses as much as digits as its factorization.

1345344023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 29.

The square root of 1345344023 is about 36678.9315956722. The cubic root of 1345344023 is about 1103.9374108495.

Adding to 1345344023 its reverse (3204435431), we get a palindrome (4549779454).

The spelling of 1345344023 in words is "one billion, three hundred forty-five million, three hundred forty-four thousand, twenty-three".