85943923 has 4 divisors (see below), whose sum is σ = 92555008. Its totient is φ = 79332840.

The previous prime is 85943903. The next prime is 85943947. The reversal of 85943923 is 32934958.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85943923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 85943923.

It is not an unprimeable number, because it can be changed into a prime (85943903) 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, 3305523 + ... + 3305548.

It is an arithmetic number, because the mean of its divisors is an integer number (23138752).

Almost surely, 2^85943923 is an apocalyptic number.

85943923 is a deficient number, since it is larger than the sum of its proper divisors (6611085).

85943923 is a wasteful number, since it uses less digits than its factorization.

85943923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6611084.

The product of its digits is 233280, while the sum is 43.

The square root of 85943923 is about 9270.5945332541. The cubic root of 85943923 is about 441.3045357885.

The spelling of 85943923 in words is "eighty-five million, nine hundred forty-three thousand, nine hundred twenty-three".