2143423420124 has 12 divisors (see below), whose sum is σ = 4286846840304. Its totient is φ = 918610037184.

The previous prime is 2143423420121. The next prime is 2143423420181. The reversal of 2143423420124 is 4210243243412.

It is a happy number.

2143423420124 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143423420121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38275418189 + ... + 38275418244.

It is an arithmetic number, because the mean of its divisors is an integer number (357237236692).

Almost surely, 2^{2143423420124} is an apocalyptic number.

It is an amenable number.

2143423420124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143423420124 is a wasteful number, since it uses less digits than its factorization.

2143423420124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76550836444 (or 76550836442 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2143423420124 its reverse (4210243243412), we get a palindrome (6353666663536).

The spelling of 2143423420124 in words is "two trillion, one hundred forty-three billion, four hundred twenty-three million, four hundred twenty thousand, one hundred twenty-four".