42232434023 has 4 divisors (see below), whose sum is σ = 45481082808. Its totient is φ = 38983785240.

The previous prime is 42232433953. The next prime is 42232434031. The reversal of 42232434023 is 32043423224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42232434023 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 (42232434043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624324373 + ... + 1624324398.

It is an arithmetic number, because the mean of its divisors is an integer number (11370270702).

Almost surely, 2^42232434023 is an apocalyptic number.

42232434023 is a deficient number, since it is larger than the sum of its proper divisors (3248648785).

42232434023 is a wasteful number, since it uses less digits than its factorization.

42232434023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3248648784.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 42232434023 its reverse (32043423224), we get a palindrome (74275857247).

The spelling of 42232434023 in words is "forty-two billion, two hundred thirty-two million, four hundred thirty-four thousand, twenty-three".