42831623 has 8 divisors (see below), whose sum is σ = 43399200. Its totient is φ = 42267168.

The previous prime is 42831587. The next prime is 42831631. The reversal of 42831623 is 32613824.

42831623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42831623 - 2¹⁴ = 42815239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42831923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39533 + ... + 40601.

It is an arithmetic number, because the mean of its divisors is an integer number (5424900).

Almost surely, 2^42831623 is an apocalyptic number.

42831623 is a deficient number, since it is larger than the sum of its proper divisors (567577).

42831623 is a wasteful number, since it uses less digits than its factorization.

42831623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561.

The product of its digits is 6912, while the sum is 29.

The square root of 42831623 is about 6544.5873055526. The cubic root of 42831623 is about 349.8819275197.

The spelling of 42831623 in words is "forty-two million, eight hundred thirty-one thousand, six hundred twenty-three".