42532546623 has 32 divisors (see below), whose sum is σ = 67564695552. Its totient is φ = 23287392000.

The previous prime is 42532546621. The next prime is 42532546649. The reversal of 42532546623 is 32664523524.

It is not a de Polignac number, because 42532546623 - 2¹ = 42532546621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532546621) 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 31 ways as a sum of consecutive naturals, for example, 257686 + ... + 389187.

It is an arithmetic number, because the mean of its divisors is an integer number (2111396736).

Almost surely, 2^42532546623 is an apocalyptic number.

42532546623 is a deficient number, since it is larger than the sum of its proper divisors (25032148929).

42532546623 is a wasteful number, since it uses less digits than its factorization.

42532546623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647015.

The product of its digits is 1036800, while the sum is 42.

It can be divided in two parts, 42532 and 546623, that added together give a triangular number (589155 = T₁₀₈₅).

The spelling of 42532546623 in words is "forty-two billion, five hundred thirty-two million, five hundred forty-six thousand, six hundred twenty-three".