3231040240423 has 4 divisors (see below), whose sum is σ = 3232983140608. Its totient is φ = 3229097340240.

The previous prime is 3231040240381. The next prime is 3231040240429. The reversal of 3231040240423 is 3240420401323.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231040240423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231040240391 and 3231040240400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231040240429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 971447598 + ... + 971450923.

It is an arithmetic number, because the mean of its divisors is an integer number (808245785152).

Almost surely, 2^{3231040240423} is an apocalyptic number.

3231040240423 is a deficient number, since it is larger than the sum of its proper divisors (1942900185).

3231040240423 is a wasteful number, since it uses less digits than its factorization.

3231040240423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1942900184.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 3231040240423 its reverse (3240420401323), we get a palindrome (6471460641746).

The spelling of 3231040240423 in words is "three trillion, two hundred thirty-one billion, forty million, two hundred forty thousand, four hundred twenty-three".