1231420024343 has 2 divisors, whose sum is σ = 1231420024344. Its totient is φ = 1231420024342.

The previous prime is 1231420024333. The next prime is 1231420024411. The reversal of 1231420024343 is 3434200241321.

It is a weak prime.

It is an emirp because it is prime and its reverse (3434200241321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1231420024343 - 2⁶ = 1231420024279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1231420024333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615710012171 + 615710012172.

It is an arithmetic number, because the mean of its divisors is an integer number (615710012172).

Almost surely, 2^{1231420024343} is an apocalyptic number.

1231420024343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1231420024343 is an equidigital number, since it uses as much as digits as its factorization.

1231420024343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1231420024343 its reverse (3434200241321), we get a palindrome (4665620265664).

The spelling of 1231420024343 in words is "one trillion, two hundred thirty-one billion, four hundred twenty million, twenty-four thousand, three hundred forty-three".