23542021433442 has 8 divisors (see below), whose sum is σ = 47084042866896. Its totient is φ = 7847340477812.

The previous prime is 23542021433419. The next prime is 23542021433443. The reversal of 23542021433442 is 24433412024532.

It is a happy number.

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

23542021433442 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 23542021433442.

It is not an unprimeable number, because it can be changed into a prime (23542021433443) 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, 1961835119448 + ... + 1961835119459.

It is an arithmetic number, because the mean of its divisors is an integer number (5885505358362).

Almost surely, 2^{23542021433442} is an apocalyptic number.

23542021433442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23542021433442 is a wasteful number, since it uses less digits than its factorization.

23542021433442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3923670238912.

The product of its (nonzero) digits is 552960, while the sum is 39.

Adding to 23542021433442 its reverse (24433412024532), we get a palindrome (47975433457974).

The spelling of 23542021433442 in words is "twenty-three trillion, five hundred forty-two billion, twenty-one million, four hundred thirty-three thousand, four hundred forty-two".