423123025105543 has 8 divisors (see below), whose sum is σ = 483569461002240. Its totient is φ = 362676661572120.

The previous prime is 423123025105507. The next prime is 423123025105577. The reversal of 423123025105543 is 345501520321324.

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

It is not a de Polignac number, because 423123025105543 - 2¹⁷ = 423123024974471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423123025105496 and 423123025105505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423123025105043) 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, 4922023 + ... + 29503768.

It is an arithmetic number, because the mean of its divisors is an integer number (60446182625280).

Almost surely, 2^{423123025105543} is an apocalyptic number.

423123025105543 is a deficient number, since it is larger than the sum of its proper divisors (60446435896697).

423123025105543 is a wasteful number, since it uses less digits than its factorization.

423123025105543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36181637.

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 423123025105543 its reverse (345501520321324), we get a palindrome (768624545426867).

The spelling of 423123025105543 in words is "four hundred twenty-three trillion, one hundred twenty-three billion, twenty-five million, one hundred five thousand, five hundred forty-three".