2123404221143 has 8 divisors (see below), whose sum is σ = 2125592830800. Its totient is φ = 2121215819008.

The previous prime is 2123404221097. The next prime is 2123404221149. The reversal of 2123404221143 is 3411224043212.

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 2123404221143 - 2²⁰ = 2123403172567 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 (2123404221149) 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, 28299905 + ... + 28374837.

It is an arithmetic number, because the mean of its divisors is an integer number (265699103850).

Almost surely, 2^{2123404221143} is an apocalyptic number.

2123404221143 is a deficient number, since it is larger than the sum of its proper divisors (2188609657).

2123404221143 is a wasteful number, since it uses less digits than its factorization.

2123404221143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103761.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 2123404221143 its reverse (3411224043212), we get a palindrome (5534628264355).

The spelling of 2123404221143 in words is "two trillion, one hundred twenty-three billion, four hundred four million, two hundred twenty-one thousand, one hundred forty-three".