403242423043 has 16 divisors (see below), whose sum is σ = 408474832896. Its totient is φ = 398037382560.

The previous prime is 403242423029. The next prime is 403242423047. The reversal of 403242423043 is 340324242304.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 403242423043 - 2⁵ = 403242423011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403242422996 and 403242423014.

It is not an unprimeable number, because it can be changed into a prime (403242423047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47197230 + ... + 47205772.

It is an arithmetic number, because the mean of its divisors is an integer number (25529677056).

Almost surely, 2^403242423043 is an apocalyptic number.

403242423043 is a deficient number, since it is larger than the sum of its proper divisors (5232409853).

403242423043 is a wasteful number, since it uses less digits than its factorization.

403242423043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074.

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

Adding to 403242423043 its reverse (340324242304), we get a palindrome (743566665347).

The spelling of 403242423043 in words is "four hundred three billion, two hundred forty-two million, four hundred twenty-three thousand, forty-three".