85534623 has 40 divisors (see below), whose sum is σ = 131725440. Its totient is φ = 55293840.

The previous prime is 85534621. The next prime is 85534649. The reversal of 85534623 is 32643558.

It is a happy number.

It is not a de Polignac number, because 85534623 - 2¹ = 85534621 is a prime.

Its product of digits (86400) is a multiple of the sum of its prime divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85534621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 615288 + ... + 615426.

It is an arithmetic number, because the mean of its divisors is an integer number (3293136).

Almost surely, 2^85534623 is an apocalyptic number.

85534623 is a deficient number, since it is larger than the sum of its proper divisors (46190817).

85534623 is a wasteful number, since it uses less digits than its factorization.

85534623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329 (or 320 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 85534623 is about 9248.4930123777. The cubic root of 85534623 is about 440.6028633514.

It can be divided in two parts, 855 and 34623, that multiplied together give a triangular number (29602665 = T₇₆₉₄).

The spelling of 85534623 in words is "eighty-five million, five hundred thirty-four thousand, six hundred twenty-three".