40231234321 has 8 divisors (see below), whose sum is σ = 40873079520. Its totient is φ = 39594023808.

The previous prime is 40231234319. The next prime is 40231234357. The reversal of 40231234321 is 12343213204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40231234321 - 2¹ = 40231234319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40231234721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141171 + ... + 1175896.

It is an arithmetic number, because the mean of its divisors is an integer number (5109134940).

Almost surely, 2^40231234321 is an apocalyptic number.

It is an amenable number.

40231234321 is a deficient number, since it is larger than the sum of its proper divisors (641845199).

40231234321 is a wasteful number, since it uses less digits than its factorization.

40231234321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317343.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40231234321 its reverse (12343213204), we get a palindrome (52574447525).

The spelling of 40231234321 in words is "forty billion, two hundred thirty-one million, two hundred thirty-four thousand, three hundred twenty-one".