23420401441121 has 16 divisors (see below), whose sum is σ = 25099956705024. Its totient is φ = 21795989840064.

The previous prime is 23420401441027. The next prime is 23420401441183. The reversal of 23420401441121 is 12114410402432.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23420401441121 is a prime.

It is a super-5 number, since 5×23420401441121⁵ (a number of 68 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23420400441121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28411055 + ... + 29223771.

It is an arithmetic number, because the mean of its divisors is an integer number (1568747294064).

Almost surely, 2^{23420401441121} is an apocalyptic number.

It is an amenable number.

23420401441121 is a deficient number, since it is larger than the sum of its proper divisors (1679555263903).

23420401441121 is a wasteful number, since it uses less digits than its factorization.

23420401441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846640.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 23420401441121 its reverse (12114410402432), we get a palindrome (35534811843553).

The spelling of 23420401441121 in words is "twenty-three trillion, four hundred twenty billion, four hundred one million, four hundred forty-one thousand, one hundred twenty-one".