85148423 has 2 divisors, whose sum is σ = 85148424. Its totient is φ = 85148422.

The previous prime is 85148411. The next prime is 85148473. The reversal of 85148423 is 32484158.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 85148423 - 2⁴ = 85148407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85148473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42574211 + 42574212.

It is an arithmetic number, because the mean of its divisors is an integer number (42574212).

Almost surely, 2^85148423 is an apocalyptic number.

85148423 is a deficient number, since it is larger than the sum of its proper divisors (1).

85148423 is an equidigital number, since it uses as much as digits as its factorization.

85148423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 35.

The square root of 85148423 is about 9227.5903138360. The cubic root of 85148423 is about 439.9387363050.

The spelling of 85148423 in words is "eighty-five million, one hundred forty-eight thousand, four hundred twenty-three".