12343034021 has 8 divisors (see below), whose sum is σ = 12396593664. Its totient is φ = 12289533840.

The previous prime is 12343034017. The next prime is 12343034071. The reversal of 12343034021 is 12043034321.

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 12343034021 - 2² = 12343034017 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 (12343034071) 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 7 ways as a sum of consecutive naturals, for example, 429716 + ... + 457538.

It is an arithmetic number, because the mean of its divisors is an integer number (1549574208).

Almost surely, 2^12343034021 is an apocalyptic number.

It is an amenable number.

12343034021 is a deficient number, since it is larger than the sum of its proper divisors (53559643).

12343034021 is a wasteful number, since it uses less digits than its factorization.

12343034021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29731.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12343034021 its reverse (12043034321), we get a palindrome (24386068342).

The spelling of 12343034021 in words is "twelve billion, three hundred forty-three million, thirty-four thousand, twenty-one".