1230243402343 has 2 divisors, whose sum is σ = 1230243402344. Its totient is φ = 1230243402342.

The previous prime is 1230243402329. The next prime is 1230243402359. The reversal of 1230243402343 is 3432043420321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1230243402343 - 2¹³ = 1230243394151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230243402373) 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 as a sum of consecutive naturals, namely, 615121701171 + 615121701172.

It is an arithmetic number, because the mean of its divisors is an integer number (615121701172).

Almost surely, 2^{1230243402343} is an apocalyptic number.

1230243402343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230243402343 is an equidigital number, since it uses as much as digits as its factorization.

1230243402343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 1230243402343 its reverse (3432043420321), we get a palindrome (4662286822664).

The spelling of 1230243402343 in words is "one trillion, two hundred thirty billion, two hundred forty-three million, four hundred two thousand, three hundred forty-three".