23521545420101 has 8 divisors (see below), whose sum is σ = 23638073316480. Its totient is φ = 23405304186432.

The previous prime is 23521545420053. The next prime is 23521545420143. The reversal of 23521545420101 is 10102454512532.

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 23521545420101 - 2³⁴ = 23504365550917 is a prime.

It is a super-3 number, since 3×23521545420101³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23521545420001) 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, 71501165 + ... + 71829378.

It is an arithmetic number, because the mean of its divisors is an integer number (2954759164560).

Almost surely, 2^{23521545420101} is an apocalyptic number.

It is an amenable number.

23521545420101 is a deficient number, since it is larger than the sum of its proper divisors (116527896379).

23521545420101 is a wasteful number, since it uses less digits than its factorization.

23521545420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143331355.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 23521545420101 its reverse (10102454512532), we get a palindrome (33623999932633).

The spelling of 23521545420101 in words is "twenty-three trillion, five hundred twenty-one billion, five hundred forty-five million, four hundred twenty thousand, one hundred one".