4043123400023 has 2 divisors, whose sum is σ = 4043123400024. Its totient is φ = 4043123400022.

The previous prime is 4043123399977. The next prime is 4043123400049. The reversal of 4043123400023 is 3200043213404.

It is an a-pointer prime, because the next prime (4043123400049) can be obtained adding 4043123400023 to its sum of digits (26).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4043123400023 - 2²⁸ = 4042854964567 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4043123399965 and 4043123400001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4043123400073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2021561700011 + 2021561700012.

It is an arithmetic number, because the mean of its divisors is an integer number (2021561700012).

Almost surely, 2^{4043123400023} is an apocalyptic number.

4043123400023 is a deficient number, since it is larger than the sum of its proper divisors (1).

4043123400023 is an equidigital number, since it uses as much as digits as its factorization.

4043123400023 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 4043123400023 its reverse (3200043213404), we get a palindrome (7243166613427).

The spelling of 4043123400023 in words is "four trillion, forty-three billion, one hundred twenty-three million, four hundred thousand, twenty-three".