7423820400043 has 2 divisors, whose sum is σ = 7423820400044. Its totient is φ = 7423820400042.

The previous prime is 7423820400011. The next prime is 7423820400053. The reversal of 7423820400043 is 3400040283247.

7423820400043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3400040283247) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7423820400043 - 2⁵ = 7423820400011 is a prime.

It is a super-2 number, since 2×7423820400043² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7423820399975 and 7423820400011.

It is not a weakly prime, because it can be changed into another prime (7423820400053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711910200021 + 3711910200022.

It is an arithmetic number, because the mean of its divisors is an integer number (3711910200022).

Almost surely, 2^{7423820400043} is an apocalyptic number.

7423820400043 is a deficient number, since it is larger than the sum of its proper divisors (1).

7423820400043 is an equidigital number, since it uses as much as digits as its factorization.

7423820400043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 7423820400043 in words is "seven trillion, four hundred twenty-three billion, eight hundred twenty million, four hundred thousand, forty-three".