23121301111401 has 16 divisors (see below), whose sum is σ = 31256867058560. Its totient is φ = 15201209882880.

The previous prime is 23121301111397. The next prime is 23121301111459. The reversal of 23121301111401 is 10411110312132.

It is a happy number.

It is not a de Polignac number, because 23121301111401 - 2² = 23121301111397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23121301181401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155166646 + ... + 155315583.

It is an arithmetic number, because the mean of its divisors is an integer number (1953554191160).

Almost surely, 2^{23121301111401} is an apocalyptic number.

It is an amenable number.

23121301111401 is a deficient number, since it is larger than the sum of its proper divisors (8135565947159).

23121301111401 is a wasteful number, since it uses less digits than its factorization.

23121301111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310482576.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 23121301111401 its reverse (10411110312132), we get a palindrome (33532411423533).

The spelling of 23121301111401 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred one million, one hundred eleven thousand, four hundred one".