1345132423 has 2 divisors, whose sum is σ = 1345132424. Its totient is φ = 1345132422.

The previous prime is 1345132409. The next prime is 1345132441. The reversal of 1345132423 is 3242315431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1345132423 - 2²⁵ = 1311577991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345132391 and 1345132400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1345132403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672566211 + 672566212.

It is an arithmetic number, because the mean of its divisors is an integer number (672566212).

Almost surely, 2^1345132423 is an apocalyptic number.

1345132423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345132423 is an equidigital number, since it uses as much as digits as its factorization.

1345132423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 28.

The square root of 1345132423 is about 36676.0469925536. The cubic root of 1345132423 is about 1103.8795308822.

Adding to 1345132423 its reverse (3242315431), we get a palindrome (4587447854).

The spelling of 1345132423 in words is "one billion, three hundred forty-five million, one hundred thirty-two thousand, four hundred twenty-three".