12440123413 has 8 divisors (see below), whose sum is σ = 12982215168. Its totient is φ = 11898133104.

The previous prime is 12440123411. The next prime is 12440123431. The reversal of 12440123413 is 31432104421.

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 12440123413 - 2¹ = 12440123411 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12440123411) 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, 333331 + ... + 368767.

It is an arithmetic number, because the mean of its divisors is an integer number (1622776896).

Almost surely, 2^12440123413 is an apocalyptic number.

It is an amenable number.

12440123413 is a deficient number, since it is larger than the sum of its proper divisors (542091755).

12440123413 is a wasteful number, since it uses less digits than its factorization.

12440123413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50723.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 12440123413 its reverse (31432104421), we get a palindrome (43872227834).

The spelling of 12440123413 in words is "twelve billion, four hundred forty million, one hundred twenty-three thousand, four hundred thirteen".