123400202200343 has 2 divisors, whose sum is σ = 123400202200344. Its totient is φ = 123400202200342.

The previous prime is 123400202200279. The next prime is 123400202200391. The reversal of 123400202200343 is 343002202004321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123400202200343 - 2⁶ = 123400202200279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123400202200243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61700101100171 + 61700101100172.

It is an arithmetic number, because the mean of its divisors is an integer number (61700101100172).

Almost surely, 2^{123400202200343} is an apocalyptic number.

123400202200343 is a deficient number, since it is larger than the sum of its proper divisors (1).

123400202200343 is an equidigital number, since it uses as much as digits as its factorization.

123400202200343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 123400202200343 its reverse (343002202004321), we get a palindrome (466402404204664).

The spelling of 123400202200343 in words is "one hundred twenty-three trillion, four hundred billion, two hundred two million, two hundred thousand, three hundred forty-three".