85723542 has 16 divisors (see below), whose sum is σ = 190496880. Its totient is φ = 28574496.

The previous prime is 85723531. The next prime is 85723549. The reversal of 85723542 is 24532758.

It is a junction number, because it is equal to n+sod(n) for n = 85723497 and 85723506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85723549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793683 + ... + 793790.

It is an arithmetic number, because the mean of its divisors is an integer number (11906055).

Almost surely, 2^85723542 is an apocalyptic number.

85723542 is an abundant number, since it is smaller than the sum of its proper divisors (104773338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85723542 is a wasteful number, since it uses less digits than its factorization.

85723542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587484 (or 1587478 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 85723542 is about 9258.7008807932. The cubic root of 85723542 is about 440.9270090684.

The spelling of 85723542 in words is "eighty-five million, seven hundred twenty-three thousand, five hundred forty-two".