1421123404203 has 12 divisors (see below), whose sum is σ = 2054664895920. Its totient is φ = 946524330576.

The previous prime is 1421123404201. The next prime is 1421123404243. The reversal of 1421123404203 is 3024043211241.

1421123404203 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 1 + 234 + 0 + 420 + 3 = 666.

It is not a de Polignac number, because 1421123404203 - 2¹ = 1421123404201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1421123404201) 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, 74262588 + ... + 74281721.

It is an arithmetic number, because the mean of its divisors is an integer number (171222074660).

Almost surely, 2^{1421123404203} is an apocalyptic number.

1421123404203 is a deficient number, since it is larger than the sum of its proper divisors (633541491717).

1421123404203 is a wasteful number, since it uses less digits than its factorization.

1421123404203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148545378 (or 148545375 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1421123404203 its reverse (3024043211241), we get a palindrome (4445166615444).

The spelling of 1421123404203 in words is "one trillion, four hundred twenty-one billion, one hundred twenty-three million, four hundred four thousand, two hundred three".