34145723 has 2 divisors, whose sum is σ = 34145724. Its totient is φ = 34145722.

The previous prime is 34145711. The next prime is 34145759. The reversal of 34145723 is 32754143.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (32754143) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 34145723 - 2⁸ = 34145467 is a prime.

It is not a weakly prime, because it can be changed into another prime (34145123) 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, 17072861 + 17072862.

It is an arithmetic number, because the mean of its divisors is an integer number (17072862).

Almost surely, 2^34145723 is an apocalyptic number.

34145723 is a deficient number, since it is larger than the sum of its proper divisors (1).

34145723 is an equidigital number, since it uses as much as digits as its factorization.

34145723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 29.

The square root of 34145723 is about 5843.4341786316. The cubic root of 34145723 is about 324.4233498366.

Adding to 34145723 its reverse (32754143), we get a palindrome (66899866).

It can be divided in two parts, 341 and 45723, that added together give a palindrome (46064).

The spelling of 34145723 in words is "thirty-four million, one hundred forty-five thousand, seven hundred twenty-three".