403204432243 has 4 divisors (see below), whose sum is σ = 426922340040. Its totient is φ = 379486524448.

The previous prime is 403204432217. The next prime is 403204432273. The reversal of 403204432243 is 342234402304.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403204432243 is a prime.

It is a super-2 number, since 2×403204432243² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (403204432273) 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, 11858953873 + ... + 11858953906.

It is an arithmetic number, because the mean of its divisors is an integer number (106730585010).

Almost surely, 2^403204432243 is an apocalyptic number.

403204432243 is a deficient number, since it is larger than the sum of its proper divisors (23717907797).

403204432243 is a wasteful number, since it uses less digits than its factorization.

403204432243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23717907796.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 403204432243 its reverse (342234402304), we get a palindrome (745438834547).

The spelling of 403204432243 in words is "four hundred three billion, two hundred four million, four hundred thirty-two thousand, two hundred forty-three".