83147723 has 2 divisors, whose sum is σ = 83147724. Its totient is φ = 83147722.

The previous prime is 83147719. The next prime is 83147741. The reversal of 83147723 is 32774138.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83147723 - 2² = 83147719 is a prime.

It is not a weakly prime, because it can be changed into another prime (83147023) 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, 41573861 + 41573862.

It is an arithmetic number, because the mean of its divisors is an integer number (41573862).

Almost surely, 2^83147723 is an apocalyptic number.

83147723 is a deficient number, since it is larger than the sum of its proper divisors (1).

83147723 is an equidigital number, since it uses as much as digits as its factorization.

83147723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 35.

The square root of 83147723 is about 9118.5373278832. The cubic root of 83147723 is about 436.4657001801.

The spelling of 83147723 in words is "eighty-three million, one hundred forty-seven thousand, seven hundred twenty-three".