12340450231 has 8 divisors (see below), whose sum is σ = 12643074864. Its totient is φ = 12037903680.

The previous prime is 12340450219. The next prime is 12340450247. The reversal of 12340450231 is 13205404321.

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 12340450231 - 2³¹ = 10192966583 is a prime.

It is a super-2 number, since 2×12340450231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12340450196 and 12340450205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12340450211) 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, 420276 + ... + 448678.

It is an arithmetic number, because the mean of its divisors is an integer number (1580384358).

Almost surely, 2^12340450231 is an apocalyptic number.

12340450231 is a deficient number, since it is larger than the sum of its proper divisors (302624633).

12340450231 is a wasteful number, since it uses less digits than its factorization.

12340450231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39041.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 12340450231 its reverse (13205404321), we get a palindrome (25545854552).

The spelling of 12340450231 in words is "twelve billion, three hundred forty million, four hundred fifty thousand, two hundred thirty-one".