2143242003123 has 32 divisors (see below), whose sum is σ = 3429104374080. Its totient is φ = 1315181767680.

The previous prime is 2143242003121. The next prime is 2143242003131. The reversal of 2143242003123 is 3213002423412.

2143242003123 is a `hidden beast` number, since 2 + 1 + 4 + 324 + 20 + 0 + 312 + 3 = 666.

It is not a de Polignac number, because 2143242003123 - 2¹ = 2143242003121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (2143242003121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8524968 + ... + 8772773.

It is an arithmetic number, because the mean of its divisors is an integer number (107159511690).

Almost surely, 2^{2143242003123} is an apocalyptic number.

2143242003123 is a deficient number, since it is larger than the sum of its proper divisors (1285862370957).

2143242003123 is a wasteful number, since it uses less digits than its factorization.

2143242003123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17298116 (or 17298110 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 2143242003123 its reverse (3213002423412), we get a palindrome (5356244426535).

The spelling of 2143242003123 in words is "two trillion, one hundred forty-three billion, two hundred forty-two million, three thousand, one hundred twenty-three".