85271723 has 2 divisors, whose sum is σ = 85271724. Its totient is φ = 85271722.

The previous prime is 85271713. The next prime is 85271761. The reversal of 85271723 is 32717258.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85271723 - 2⁸ = 85271467 is a prime.

It is not a weakly prime, because it can be changed into another prime (85271713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42635861 + 42635862.

It is an arithmetic number, because the mean of its divisors is an integer number (42635862).

Almost surely, 2^85271723 is an apocalyptic number.

85271723 is a deficient number, since it is larger than the sum of its proper divisors (1).

85271723 is an equidigital number, since it uses as much as digits as its factorization.

85271723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 35.

The square root of 85271723 is about 9234.2689477836. The cubic root of 85271723 is about 440.1509864061.

The spelling of 85271723 in words is "eighty-five million, two hundred seventy-one thousand, seven hundred twenty-three".