12023402343 has 4 divisors (see below), whose sum is σ = 16031203128. Its totient is φ = 8015601560.

The previous prime is 12023402341. The next prime is 12023402353. The reversal of 12023402343 is 34320432021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12023402343 - 2¹ = 12023402341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12023402341) 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 3 ways as a sum of consecutive naturals, for example, 2003900388 + ... + 2003900393.

It is an arithmetic number, because the mean of its divisors is an integer number (4007800782).

Almost surely, 2^12023402343 is an apocalyptic number.

12023402343 is a deficient number, since it is larger than the sum of its proper divisors (4007800785).

12023402343 is an equidigital number, since it uses as much as digits as its factorization.

12023402343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007800784.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 12023402343 its reverse (34320432021), we get a palindrome (46343834364).

The spelling of 12023402343 in words is "twelve billion, twenty-three million, four hundred two thousand, three hundred forty-three".