42641582323 has 4 divisors (see below), whose sum is σ = 43548850080. Its totient is φ = 41734314568.

The previous prime is 42641582311. The next prime is 42641582353. The reversal of 42641582323 is 32328514624.

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-42641582323 is a prime.

It is a super-3 number, since 3×42641582323³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42641582353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453633808 + ... + 453633901.

It is an arithmetic number, because the mean of its divisors is an integer number (10887212520).

Almost surely, 2^42641582323 is an apocalyptic number.

42641582323 is a deficient number, since it is larger than the sum of its proper divisors (907267757).

42641582323 is an equidigital number, since it uses as much as digits as its factorization.

42641582323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907267756.

The product of its digits is 276480, while the sum is 40.

The spelling of 42641582323 in words is "forty-two billion, six hundred forty-one million, five hundred eighty-two thousand, three hundred twenty-three".