403534021200423 has 4 divisors (see below), whose sum is σ = 538045361600568. Its totient is φ = 269022680800280.

The previous prime is 403534021200403. The next prime is 403534021200511. The reversal of 403534021200423 is 324002120435304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 403534021200423 - 2²⁵ = 403533987645991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403534021200403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67255670200068 + ... + 67255670200073.

It is an arithmetic number, because the mean of its divisors is an integer number (134511340400142).

Almost surely, 2^{403534021200423} is an apocalyptic number.

403534021200423 is a deficient number, since it is larger than the sum of its proper divisors (134511340400145).

403534021200423 is a wasteful number, since it uses less digits than its factorization.

403534021200423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134511340400144.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 403534021200423 its reverse (324002120435304), we get a palindrome (727536141635727).

The spelling of 403534021200423 in words is "four hundred three trillion, five hundred thirty-four billion, twenty-one million, two hundred thousand, four hundred twenty-three".