2321212343 has 2 divisors, whose sum is σ = 2321212344. Its totient is φ = 2321212342.

The previous prime is 2321212339. The next prime is 2321212367. The reversal of 2321212343 is 3432121232.

2321212343 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2321212343 - 2² = 2321212339 is a prime.

It is a Sophie Germain prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2321212373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1160606171 + 1160606172.

It is an arithmetic number, because the mean of its divisors is an integer number (1160606172).

Almost surely, 2^2321212343 is an apocalyptic number.

2321212343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2321212343 is an equidigital number, since it uses as much as digits as its factorization.

2321212343 is an evil number, because the sum of its binary digits is even.

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

The square root of 2321212343 is about 48178.9616222683. The cubic root of 2321212343 is about 1324.0517421737.

Adding to 2321212343 its reverse (3432121232), we get a palindrome (5753333575).

The spelling of 2321212343 in words is "two billion, three hundred twenty-one million, two hundred twelve thousand, three hundred forty-three".