403231040343 has 24 divisors (see below), whose sum is σ = 599947320336. Its totient is φ = 260815075200.

The previous prime is 403231040323. The next prime is 403231040351. The reversal of 403231040343 is 343040132304.

403231040343 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 310 + 4 + 0 + 343 = 666.

It is not a de Polignac number, because 403231040343 - 2¹⁶ = 403230974807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403231040323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2951905 + ... + 3085482.

It is an arithmetic number, because the mean of its divisors is an integer number (24997805014).

Almost surely, 2^403231040343 is an apocalyptic number.

403231040343 is a deficient number, since it is larger than the sum of its proper divisors (196716279993).

403231040343 is a wasteful number, since it uses less digits than its factorization.

403231040343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6037615 (or 6037612 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 403231040343 its reverse (343040132304), we get a palindrome (746271172647).

The spelling of 403231040343 in words is "four hundred three billion, two hundred thirty-one million, forty thousand, three hundred forty-three".