85011753923 has 4 divisors (see below), whose sum is σ = 85019297040. Its totient is φ = 85004210808.

The previous prime is 85011753863. The next prime is 85011753943. The reversal of 85011753923 is 32935711058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32935711058 = 2 ⋅16467855529.

It is a cyclic number.

It is not a de Polignac number, because 85011753923 - 2¹² = 85011749827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85011753943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3754628 + ... + 3777201.

It is an arithmetic number, because the mean of its divisors is an integer number (21254824260).

Almost surely, 2^85011753923 is an apocalyptic number.

85011753923 is a deficient number, since it is larger than the sum of its proper divisors (7543117).

85011753923 is a wasteful number, since it uses less digits than its factorization.

85011753923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7543116.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 85011753923 in words is "eighty-five billion, eleven million, seven hundred fifty-three thousand, nine hundred twenty-three".