7091345423 has 2 divisors, whose sum is σ = 7091345424. Its totient is φ = 7091345422.

The previous prime is 7091345419. The next prime is 7091345461. The reversal of 7091345423 is 3245431907.

It is an a-pointer prime, because the next prime (7091345461) can be obtained adding 7091345423 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7091345423 - 2² = 7091345419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7091345413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545672711 + 3545672712.

It is an arithmetic number, because the mean of its divisors is an integer number (3545672712).

Almost surely, 2^7091345423 is an apocalyptic number.

7091345423 is a deficient number, since it is larger than the sum of its proper divisors (1).

7091345423 is an equidigital number, since it uses as much as digits as its factorization.

7091345423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 7091345423 is about 84210.1266060086. The cubic root of 7091345423 is about 1921.2160828073.

The spelling of 7091345423 in words is "seven billion, ninety-one million, three hundred forty-five thousand, four hundred twenty-three".