85387234343 has 4 divisors (see below), whose sum is σ = 85474099248. Its totient is φ = 85300369440.

The previous prime is 85387234333. The next prime is 85387234369. The reversal of 85387234343 is 34343278358.

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 85387234343 - 2¹⁶ = 85387168807 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85387234291 and 85387234300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85387234333) 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, 43430978 + ... + 43432943.

It is an arithmetic number, because the mean of its divisors is an integer number (21368524812).

Almost surely, 2^85387234343 is an apocalyptic number.

85387234343 is a deficient number, since it is larger than the sum of its proper divisors (86864905).

85387234343 is an equidigital number, since it uses as much as digits as its factorization.

85387234343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86864904.

The product of its digits is 5806080, while the sum is 50.

The spelling of 85387234343 in words is "eighty-five billion, three hundred eighty-seven million, two hundred thirty-four thousand, three hundred forty-three".