12343235511 has 8 divisors (see below), whose sum is σ = 16458269184. Its totient is φ = 8228512760.

The previous prime is 12343235423. The next prime is 12343235521. The reversal of 12343235511 is 11553234321.

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 12343235511 - 2⁷ = 12343235383 is a prime.

It is a super-2 number, since 2×12343235511² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12343235521) 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, 40666 + ... + 162296.

It is an arithmetic number, because the mean of its divisors is an integer number (2057283648).

Almost surely, 2^12343235511 is an apocalyptic number.

12343235511 is a deficient number, since it is larger than the sum of its proper divisors (4115033673).

12343235511 is a wasteful number, since it uses less digits than its factorization.

12343235511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155461.

The product of its digits is 10800, while the sum is 30.

Adding to 12343235511 its reverse (11553234321), we get a palindrome (23896469832).

The spelling of 12343235511 in words is "twelve billion, three hundred forty-three million, two hundred thirty-five thousand, five hundred eleven".