42543012023 has 8 divisors (see below), whose sum is σ = 45051367392. Its totient is φ = 40035303936.

The previous prime is 42543011969. The next prime is 42543012049. The reversal of 42543012023 is 32021034524.

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 42543012023 - 2¹⁶ = 42542946487 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42543011983 and 42543012001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42543015023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23090 + ... + 292607.

It is an arithmetic number, because the mean of its divisors is an integer number (5631420924).

Almost surely, 2^42543012023 is an apocalyptic number.

42543012023 is a deficient number, since it is larger than the sum of its proper divisors (2508355369).

42543012023 is a wasteful number, since it uses less digits than its factorization.

42543012023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323641.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 42543012023 its reverse (32021034524), we get a palindrome (74564046547).

The spelling of 42543012023 in words is "forty-two billion, five hundred forty-three million, twelve thousand, twenty-three".