21342232010403 has 6 divisors (see below), whose sum is σ = 30827668459484. Its totient is φ = 14228154673596.

The previous prime is 21342232010383. The next prime is 21342232010417. The reversal of 21342232010403 is 30401023224312.

21342232010403 is a `hidden beast` number, since 2 + 1 + 3 + 4 + 223 + 20 + 10 + 403 = 666.

It is not a de Polignac number, because 21342232010403 - 2⁶ = 21342232010339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21342232010303) 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 5 ways as a sum of consecutive naturals, for example, 1185679556125 + ... + 1185679556142.

Almost surely, 2^{21342232010403} is an apocalyptic number.

21342232010403 is a deficient number, since it is larger than the sum of its proper divisors (9485436449081).

21342232010403 is a wasteful number, since it uses less digits than its factorization.

21342232010403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371359112273 (or 2371359112270 counting only the distinct ones).

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

Adding to 21342232010403 its reverse (30401023224312), we get a palindrome (51743255234715).

The spelling of 21342232010403 in words is "twenty-one trillion, three hundred forty-two billion, two hundred thirty-two million, ten thousand, four hundred three".