123323800543 has 2 divisors, whose sum is σ = 123323800544. Its totient is φ = 123323800542.

The previous prime is 123323800433. The next prime is 123323800583. The reversal of 123323800543 is 345008323321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123323800543 - 2⁹ = 123323800031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123323800499 and 123323800508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123323800583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61661900271 + 61661900272.

It is an arithmetic number, because the mean of its divisors is an integer number (61661900272).

Almost surely, 2^123323800543 is an apocalyptic number.

123323800543 is a deficient number, since it is larger than the sum of its proper divisors (1).

123323800543 is an equidigital number, since it uses as much as digits as its factorization.

123323800543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 123323800543 in words is "one hundred twenty-three billion, three hundred twenty-three million, eight hundred thousand, five hundred forty-three".