42532623 has 48 divisors (see below), whose sum is σ = 75119616. Its totient is φ = 22636800.

The previous prime is 42532619. The next prime is 42532627. The reversal of 42532623 is 32623524.

42532623 is a `hidden beast` number, since 4 + 2 + 5 + 32 + 623 = 666.

It is an interprime number because it is at equal distance from previous prime (42532619) and next prime (42532627).

It is not a de Polignac number, because 42532623 - 2² = 42532619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42532627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 161590 + ... + 161852.

It is an arithmetic number, because the mean of its divisors is an integer number (1564992).

Almost surely, 2^42532623 is an apocalyptic number.

42532623 is a deficient number, since it is larger than the sum of its proper divisors (32586993).

42532623 is a wasteful number, since it uses less digits than its factorization.

42532623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 441 counting only the distinct ones).

The product of its digits is 8640, while the sum is 27.

The square root of 42532623 is about 6521.7039951227. The cubic root of 42532623 is about 349.0658709885.

Subtracting from 42532623 its reverse (32623524), we obtain a palindrome (9909099).

The spelling of 42532623 in words is "forty-two million, five hundred thirty-two thousand, six hundred twenty-three".