85432023458 has 8 divisors (see below), whose sum is σ = 128165872428. Its totient is φ = 42710065984.

The previous prime is 85432023427. The next prime is 85432023461.

It is a happy number.

85432023458 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 67172717329 + 18259306129 = 259177^2 + 135127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2954891 + ... + 2983662.

Almost surely, 2^85432023458 is an apocalyptic number.

85432023458 is a deficient number, since it is larger than the sum of its proper divisors (42733848970).

85432023458 is a wasteful number, since it uses less digits than its factorization.

85432023458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5945748.

The product of its (nonzero) digits is 921600, while the sum is 44.

It can be divided in two parts, 854320 and 23458, that added together give a palindrome (877778).

The spelling of 85432023458 in words is "eighty-five billion, four hundred thirty-two million, twenty-three thousand, four hundred fifty-eight".