23141105420521 has 8 divisors (see below), whose sum is σ = 25343071238304. Its totient is φ = 20955511096320.

The previous prime is 23141105420479. The next prime is 23141105420551. The reversal of 23141105420521 is 12502450114132.

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 23141105420521 - 2⁷ = 23141105420393 is a prime.

It is a super-2 number, since 2×23141105420521² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23141105420551) 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, 4092870435 + ... + 4092876088.

It is an arithmetic number, because the mean of its divisors is an integer number (3167883904788).

Almost surely, 2^{23141105420521} is an apocalyptic number.

It is an amenable number.

23141105420521 is a deficient number, since it is larger than the sum of its proper divisors (2201965817783).

23141105420521 is a wasteful number, since it uses less digits than its factorization.

23141105420521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8185746791.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 23141105420521 its reverse (12502450114132), we get a palindrome (35643555534653).

The spelling of 23141105420521 in words is "twenty-three trillion, one hundred forty-one billion, one hundred five million, four hundred twenty thousand, five hundred twenty-one".