434431240243 has 48 divisors (see below), whose sum is σ = 588810104064. Its totient is φ = 309549493440.

The previous prime is 434431240213. The next prime is 434431240247. The reversal of 434431240243 is 342042134434.

It is not a de Polignac number, because 434431240243 - 2⁹ = 434431239731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 434431240199 and 434431240208.

It is not an unprimeable number, because it can be changed into a prime (434431240247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11441496 + ... + 11479402.

It is an arithmetic number, because the mean of its divisors is an integer number (12266877168).

Almost surely, 2^434431240243 is an apocalyptic number.

434431240243 is a deficient number, since it is larger than the sum of its proper divisors (154378863821).

434431240243 is a wasteful number, since it uses less digits than its factorization.

434431240243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38152 (or 38045 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 434431240243 its reverse (342042134434), we get a palindrome (776473374677).

The spelling of 434431240243 in words is "four hundred thirty-four billion, four hundred thirty-one million, two hundred forty thousand, two hundred forty-three".