21142332310023 has 12 divisors (see below), whose sum is σ = 30541947337200. Its totient is φ = 14093493026976.

The previous prime is 21142332309947. The next prime is 21142332310031. The reversal of 21142332310023 is 32001323324112.

21142332310023 is a `hidden beast` number, since 2 + 1 + 1 + 423 + 3 + 231 + 0 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 21142332310023 - 2¹⁴ = 21142332293639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21142332310093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116168998 + ... + 116350851.

It is an arithmetic number, because the mean of its divisors is an integer number (2545162278100).

Almost surely, 2^{21142332310023} is an apocalyptic number.

21142332310023 is a deficient number, since it is larger than the sum of its proper divisors (9399615027177).

21142332310023 is a wasteful number, since it uses less digits than its factorization.

21142332310023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232529958 (or 232529955 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 21142332310023 its reverse (32001323324112), we get a palindrome (53143655634135).

The spelling of 21142332310023 in words is "twenty-one trillion, one hundred forty-two billion, three hundred thirty-two million, three hundred ten thousand, twenty-three".