85031323 has 4 divisors (see below), whose sum is σ = 91572208. Its totient is φ = 78490440.

The previous prime is 85031321. The next prime is 85031333. The reversal of 85031323 is 32313058.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 85031323 - 2¹ = 85031321 is a prime.

It is a super-2 number, since 2×85031323² = 14460651782260658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85031321) 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, 3270423 + ... + 3270448.

It is an arithmetic number, because the mean of its divisors is an integer number (22893052).

Almost surely, 2^85031323 is an apocalyptic number.

85031323 is a deficient number, since it is larger than the sum of its proper divisors (6540885).

85031323 is a wasteful number, since it uses less digits than its factorization.

85031323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540884.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 85031323 is about 9221.2430290064. The cubic root of 85031323 is about 439.7369691696.

The spelling of 85031323 in words is "eighty-five million, thirty-one thousand, three hundred twenty-three".