42531611023 has 8 divisors (see below), whose sum is σ = 46473328080. Its totient is φ = 38602428480.

The previous prime is 42531611009. The next prime is 42531611039. The reversal of 42531611023 is 32011613524.

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

It is not a de Polignac number, because 42531611023 - 2⁵ = 42531610991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42531610982 and 42531611000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42531611923) 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 7 ways as a sum of consecutive naturals, for example, 3126528 + ... + 3140101.

It is an arithmetic number, because the mean of its divisors is an integer number (5809166010).

Almost surely, 2^42531611023 is an apocalyptic number.

42531611023 is a deficient number, since it is larger than the sum of its proper divisors (3941717057).

42531611023 is a wasteful number, since it uses less digits than its factorization.

42531611023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6267257.

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 42531611023 in words is "forty-two billion, five hundred thirty-one million, six hundred eleven thousand, twenty-three".