23211421201541 has 8 divisors (see below), whose sum is σ = 23528305262784. Its totient is φ = 22895423530560.

The previous prime is 23211421201477. The next prime is 23211421201543. The reversal of 23211421201541 is 14510212411232.

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 23211421201541 - 2⁶ = 23211421201477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23211421201543) 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, 221544836 + ... + 221649581.

It is an arithmetic number, because the mean of its divisors is an integer number (2941038157848).

Almost surely, 2^{23211421201541} is an apocalyptic number.

It is an amenable number.

23211421201541 is a deficient number, since it is larger than the sum of its proper divisors (316884061243).

23211421201541 is an equidigital number, since it uses as much as digits as its factorization.

23211421201541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443195131.

The product of its (nonzero) digits is 3840, while the sum is 29.

Adding to 23211421201541 its reverse (14510212411232), we get a palindrome (37721633612773).

The spelling of 23211421201541 in words is "twenty-three trillion, two hundred eleven billion, four hundred twenty-one million, two hundred one thousand, five hundred forty-one".