12231400343 has 2 divisors, whose sum is σ = 12231400344. Its totient is φ = 12231400342.

The previous prime is 12231400243. The next prime is 12231400351. The reversal of 12231400343 is 34300413221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12231400343 - 2²⁸ = 11962964887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12231400373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6115700171 + 6115700172.

It is an arithmetic number, because the mean of its divisors is an integer number (6115700172).

Almost surely, 2^12231400343 is an apocalyptic number.

12231400343 is a deficient number, since it is larger than the sum of its proper divisors (1).

12231400343 is an equidigital number, since it uses as much as digits as its factorization.

12231400343 is an evil number, because the sum of its binary digits is even.

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

Adding to 12231400343 its reverse (34300413221), we get a palindrome (46531813564).

The spelling of 12231400343 in words is "twelve billion, two hundred thirty-one million, four hundred thousand, three hundred forty-three".