853888723 has 2 divisors, whose sum is σ = 853888724. Its totient is φ = 853888722.

The previous prime is 853888687. The next prime is 853888757. The reversal of 853888723 is 327888358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853888723 - 2²¹ = 851791571 is a prime.

It is not a weakly prime, because it can be changed into another prime (853888793) 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, 426944361 + 426944362.

It is an arithmetic number, because the mean of its divisors is an integer number (426944362).

Almost surely, 2^853888723 is an apocalyptic number.

853888723 is a deficient number, since it is larger than the sum of its proper divisors (1).

853888723 is an equidigital number, since it uses as much as digits as its factorization.

853888723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2580480, while the sum is 52.

The square root of 853888723 is about 29221.3744201056. The cubic root of 853888723 is about 948.7106138397.

The spelling of 853888723 in words is "eight hundred fifty-three million, eight hundred eighty-eight thousand, seven hundred twenty-three".