403020434111 has 4 divisors (see below), whose sum is σ = 403366970472. Its totient is φ = 402673897752.

The previous prime is 403020434071. The next prime is 403020434129. The reversal of 403020434111 is 111434020304.

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 403020434111 - 2³⁸ = 128142527167 is a prime.

It is a super-2 number, since 2×403020434111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403020433111) 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, 173266436 + ... + 173268761.

It is an arithmetic number, because the mean of its divisors is an integer number (100841742618).

Almost surely, 2^403020434111 is an apocalyptic number.

403020434111 is a deficient number, since it is larger than the sum of its proper divisors (346536361).

403020434111 is a wasteful number, since it uses less digits than its factorization.

403020434111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346536360.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 403020434111 its reverse (111434020304), we get a palindrome (514454454415).

The spelling of 403020434111 in words is "four hundred three billion, twenty million, four hundred thirty-four thousand, one hundred eleven".