403202134423 has 4 divisors (see below), whose sum is σ = 439856873928. Its totient is φ = 366547394920.

The previous prime is 403202134381. The next prime is 403202134451. The reversal of 403202134423 is 324431202304.

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 403202134423 - 2²¹ = 403200037271 is a prime.

It is a super-2 number, since 2×403202134423² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403202134391 and 403202134400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403202134453) 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, 18327369736 + ... + 18327369757.

It is an arithmetic number, because the mean of its divisors is an integer number (109964218482).

Almost surely, 2^403202134423 is an apocalyptic number.

403202134423 is a deficient number, since it is larger than the sum of its proper divisors (36654739505).

403202134423 is a wasteful number, since it uses less digits than its factorization.

403202134423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36654739504.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 403202134423 its reverse (324431202304), we get a palindrome (727633336727).

The spelling of 403202134423 in words is "four hundred three billion, two hundred two million, one hundred thirty-four thousand, four hundred twenty-three".