21230233013403 has 24 divisors (see below), whose sum is σ = 30823982491536. Its totient is φ = 14080579430400.

The previous prime is 21230233013293. The next prime is 21230233013413. The reversal of 21230233013403 is 30431033203212.

21230233013403 is a `hidden beast` number, since 2 + 1 + 23 + 0 + 233 + 0 + 1 + 3 + 403 = 666.

It is not a de Polignac number, because 21230233013403 - 2¹⁰ = 21230233012379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21230233013413) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2277163 + ... + 6902603.

It is an arithmetic number, because the mean of its divisors is an integer number (1284332603814).

Almost surely, 2^{21230233013403} is an apocalyptic number.

21230233013403 is a deficient number, since it is larger than the sum of its proper divisors (9593749478133).

21230233013403 is a wasteful number, since it uses less digits than its factorization.

21230233013403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628075 (or 4628072 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 21230233013403 its reverse (30431033203212), we get a palindrome (51661266216615).

The spelling of 21230233013403 in words is "twenty-one trillion, two hundred thirty billion, two hundred thirty-three million, thirteen thousand, four hundred three".