85723103 has 2 divisors, whose sum is σ = 85723104. Its totient is φ = 85723102.

The previous prime is 85723081. The next prime is 85723111. The reversal of 85723103 is 30132758.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 85723103 - 2⁶ = 85723039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85723133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42861551 + 42861552.

It is an arithmetic number, because the mean of its divisors is an integer number (42861552).

Almost surely, 2^85723103 is an apocalyptic number.

85723103 is a deficient number, since it is larger than the sum of its proper divisors (1).

85723103 is an equidigital number, since it uses as much as digits as its factorization.

85723103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 85723103 is about 9258.6771733331. The cubic root of 85723103 is about 440.9262563880.

The spelling of 85723103 in words is "eighty-five million, seven hundred twenty-three thousand, one hundred three".