2123404014442 has 8 divisors (see below), whose sum is σ = 3185112456036. Its totient is φ = 1061699862432.

The previous prime is 2123404014439. The next prime is 2123404014461. The reversal of 2123404014442 is 2444104043212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1110766337041 + 1012637677401 = 1053929^2 + 1006299^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 865588 + ... + 2235184.

Almost surely, 2^{2123404014442} is an apocalyptic number.

2123404014442 is a deficient number, since it is larger than the sum of its proper divisors (1061708441594).

2123404014442 is a wasteful number, since it uses less digits than its factorization.

2123404014442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144792.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2123404014442 its reverse (2444104043212), we get a palindrome (4567508057654).

The spelling of 2123404014442 in words is "two trillion, one hundred twenty-three billion, four hundred four million, fourteen thousand, four hundred forty-two".