85449323 has 4 divisors (see below), whose sum is σ = 86531040. Its totient is φ = 84367608.

The previous prime is 85449319. The next prime is 85449359. The reversal of 85449323 is 32394458.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32394458 = 2 ⋅16197229.

It is a cyclic number.

It is not a de Polignac number, because 85449323 - 2² = 85449319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85449373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540740 + ... + 540897.

It is an arithmetic number, because the mean of its divisors is an integer number (21632760).

Almost surely, 2^85449323 is an apocalyptic number.

85449323 is a deficient number, since it is larger than the sum of its proper divisors (1081717).

85449323 is a wasteful number, since it uses less digits than its factorization.

85449323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081716.

The product of its digits is 103680, while the sum is 38.

The square root of 85449323 is about 9243.8802999606. The cubic root of 85449323 is about 440.4563498762.

The spelling of 85449323 in words is "eighty-five million, four hundred forty-nine thousand, three hundred twenty-three".