403042443043 has 4 divisors (see below), whose sum is σ = 404197292800. Its totient is φ = 401887593288.

The previous prime is 403042443007. The next prime is 403042443047. The reversal of 403042443043 is 340344240304.

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 403042443043 - 2²¹ = 403040345891 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403042442996 and 403042443014.

It is not an unprimeable number, because it can be changed into a prime (403042443047) 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, 577424355 + ... + 577425052.

It is an arithmetic number, because the mean of its divisors is an integer number (101049323200).

Almost surely, 2^403042443043 is an apocalyptic number.

403042443043 is a deficient number, since it is larger than the sum of its proper divisors (1154849757).

403042443043 is a wasteful number, since it uses less digits than its factorization.

403042443043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154849756.

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

Adding to 403042443043 its reverse (340344240304), we get a palindrome (743386683347).

The spelling of 403042443043 in words is "four hundred three billion, forty-two million, four hundred forty-three thousand, forty-three".