869000723 has 2 divisors, whose sum is σ = 869000724. Its totient is φ = 869000722.

The previous prime is 869000681. The next prime is 869000749. The reversal of 869000723 is 327000968.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 869000723 - 2¹⁶ = 868935187 is a prime.

It is not a weakly prime, because it can be changed into another prime (869000753) 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, 434500361 + 434500362.

It is an arithmetic number, because the mean of its divisors is an integer number (434500362).

Almost surely, 2^869000723 is an apocalyptic number.

869000723 is a deficient number, since it is larger than the sum of its proper divisors (1).

869000723 is an equidigital number, since it uses as much as digits as its factorization.

869000723 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 869000723 is about 29478.8182090124. The cubic root of 869000723 is about 954.2746328007.

The spelling of 869000723 in words is "eight hundred sixty-nine million, seven hundred twenty-three", and thus it is an aban number.