200421132023403 has 6 divisors (see below), whose sum is σ = 289497190700484. Its totient is φ = 133614088015596.

The previous prime is 200421132023383. The next prime is 200421132023443. The reversal of 200421132023403 is 304320231124002.

200421132023403 is a `hidden beast` number, since 2 + 0 + 0 + 4 + 2 + 113 + 202 + 340 + 3 = 666.

It is not a de Polignac number, because 200421132023403 - 2¹⁰ = 200421132022379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200421132023443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11134507334625 + ... + 11134507334642.

It is an arithmetic number, because the mean of its divisors is an integer number (48249531783414).

Almost surely, 2^{200421132023403} is an apocalyptic number.

200421132023403 is a deficient number, since it is larger than the sum of its proper divisors (89076058677081).

200421132023403 is a wasteful number, since it uses less digits than its factorization.

200421132023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22269014669273 (or 22269014669270 counting only the distinct ones).

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

Adding to 200421132023403 its reverse (304320231124002), we get a palindrome (504741363147405).

The spelling of 200421132023403 in words is "two hundred trillion, four hundred twenty-one billion, one hundred thirty-two million, twenty-three thousand, four hundred three".