12434311321223 has 8 divisors (see below), whose sum is σ = 14362626980880. Its totient is φ = 10638982948480.

The previous prime is 12434311321171. The next prime is 12434311321253. The reversal of 12434311321223 is 32212311343421.

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 12434311321223 - 2¹⁶ = 12434311255687 is a prime.

It is a super-2 number, since 2×12434311321223² (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 12434311321223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12434311321253) 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, 33246821528 + ... + 33246821901.

It is an arithmetic number, because the mean of its divisors is an integer number (1795328372610).

Almost surely, 2^{12434311321223} is an apocalyptic number.

12434311321223 is a deficient number, since it is larger than the sum of its proper divisors (1928315659657).

12434311321223 is a wasteful number, since it uses less digits than its factorization.

12434311321223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66493643457.

The product of its digits is 20736, while the sum is 32.

Adding to 12434311321223 its reverse (32212311343421), we get a palindrome (44646622664644).

The spelling of 12434311321223 in words is "twelve trillion, four hundred thirty-four billion, three hundred eleven million, three hundred twenty-one thousand, two hundred twenty-three".