829442723 has 2 divisors, whose sum is σ = 829442724. Its totient is φ = 829442722.

The previous prime is 829442651. The next prime is 829442749. The reversal of 829442723 is 327244928.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 829442723 - 2¹⁶ = 829377187 is a prime.

It is not a weakly prime, because it can be changed into another prime (829442753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414721361 + 414721362.

It is an arithmetic number, because the mean of its divisors is an integer number (414721362).

Almost surely, 2^829442723 is an apocalyptic number.

829442723 is a deficient number, since it is larger than the sum of its proper divisors (1).

829442723 is an equidigital number, since it uses as much as digits as its factorization.

829442723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 41.

The square root of 829442723 is about 28800.0472742668. The cubic root of 829442723 is about 939.5692620608.

The spelling of 829442723 in words is "eight hundred twenty-nine million, four hundred forty-two thousand, seven hundred twenty-three".