2123443424101 has 8 divisors (see below), whose sum is σ = 2192534614784. Its totient is φ = 2054389296960.

The previous prime is 2123443424093. The next prime is 2123443424119. The reversal of 2123443424101 is 1014243443212.

It is a happy number.

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 2123443424101 - 2³ = 2123443424093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123443424191) 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, 9149415 + ... + 9378628.

It is an arithmetic number, because the mean of its divisors is an integer number (274066826848).

Almost surely, 2^{2123443424101} is an apocalyptic number.

It is an amenable number.

2123443424101 is a deficient number, since it is larger than the sum of its proper divisors (69091190683).

2123443424101 is a wasteful number, since it uses less digits than its factorization.

2123443424101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18531771.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 2123443424101 its reverse (1014243443212), we get a palindrome (3137686867313).

The spelling of 2123443424101 in words is "two trillion, one hundred twenty-three billion, four hundred forty-three million, four hundred twenty-four thousand, one hundred one".