23431541134542 has 16 divisors (see below), whose sum is σ = 47200226747520. Its totient is φ = 7754322965112.

The previous prime is 23431541134531. The next prime is 23431541134597. The reversal of 23431541134542 is 24543114513432.

It is a junction number, because it is equal to n+sod(n) for n = 23431541134494 and 23431541134503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14047685698 + ... + 14047687365.

It is an arithmetic number, because the mean of its divisors is an integer number (2950014171720).

Almost surely, 2^{23431541134542} is an apocalyptic number.

23431541134542 is an abundant number, since it is smaller than the sum of its proper divisors (23768685612978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23431541134542 is a wasteful number, since it uses less digits than its factorization.

23431541134542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28095373207.

The product of its digits is 691200, while the sum is 42.

Adding to 23431541134542 its reverse (24543114513432), we get a palindrome (47974655647974).

The spelling of 23431541134542 in words is "twenty-three trillion, four hundred thirty-one billion, five hundred forty-one million, one hundred thirty-four thousand, five hundred forty-two".