1235504344343 has 2 divisors, whose sum is σ = 1235504344344. Its totient is φ = 1235504344342.

The previous prime is 1235504344279. The next prime is 1235504344447. The reversal of 1235504344343 is 3434434055321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1235504344343 - 2⁶ = 1235504344279 is a prime.

It is a super-2 number, since 2×1235504344343² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1235504344343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1235504344843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617752172171 + 617752172172.

It is an arithmetic number, because the mean of its divisors is an integer number (617752172172).

Almost surely, 2^{1235504344343} is an apocalyptic number.

1235504344343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1235504344343 is an equidigital number, since it uses as much as digits as its factorization.

1235504344343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 41.

Adding to 1235504344343 its reverse (3434434055321), we get a palindrome (4669938399664).

The spelling of 1235504344343 in words is "one trillion, two hundred thirty-five billion, five hundred four million, three hundred forty-four thousand, three hundred forty-three".