85748723 has 2 divisors, whose sum is σ = 85748724. Its totient is φ = 85748722.

The previous prime is 85748713. The next prime is 85748777. The reversal of 85748723 is 32784758.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85748723 - 2¹⁰ = 85747699 is a prime.

It is a super-2 number, since 2×85748723² = 14705686992261458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (85748713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42874361 + 42874362.

It is an arithmetic number, because the mean of its divisors is an integer number (42874362).

Almost surely, 2^85748723 is an apocalyptic number.

85748723 is a deficient number, since it is larger than the sum of its proper divisors (1).

85748723 is an equidigital number, since it uses as much as digits as its factorization.

85748723 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376320, while the sum is 44.

The square root of 85748723 is about 9260.0606369505. The cubic root of 85748723 is about 440.9701784467.

The spelling of 85748723 in words is "eighty-five million, seven hundred forty-eight thousand, seven hundred twenty-three".