12343464215257 has 8 divisors (see below), whose sum is σ = 14106882779136. Its totient is φ = 10580062284672.

The previous prime is 12343464215227. The next prime is 12343464215273. The reversal of 12343464215257 is 75251246434321.

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 12343464215257 - 2⁴³ = 3547371193049 is a prime.

It is a super-2 number, since 2×12343464215257² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12343464215257.

It is not an unprimeable number, because it can be changed into a prime (12343464215227) 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, 2525368 + ... + 5573545.

It is an arithmetic number, because the mean of its divisors is an integer number (1763360347392).

Almost surely, 2^{12343464215257} is an apocalyptic number.

It is an amenable number.

12343464215257 is a deficient number, since it is larger than the sum of its proper divisors (1763418563879).

12343464215257 is an equidigital number, since it uses as much as digits as its factorization.

12343464215257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8316647.

The product of its digits is 4838400, while the sum is 49.

The spelling of 12343464215257 in words is "twelve trillion, three hundred forty-three billion, four hundred sixty-four million, two hundred fifteen thousand, two hundred fifty-seven".