4123403430961 has 2 divisors, whose sum is σ = 4123403430962. Its totient is φ = 4123403430960.

The previous prime is 4123403430959. The next prime is 4123403431057. The reversal of 4123403430961 is 1690343043214.

4123403430961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2297240392225 + 1826163038736 = 1515665^2 + 1351356^2 .

It is a cyclic number.

It is not a de Polignac number, because 4123403430961 - 2¹ = 4123403430959 is a prime.

Together with 4123403430959, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4123403430911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061701715480 + 2061701715481.

It is an arithmetic number, because the mean of its divisors is an integer number (2061701715481).

Almost surely, 2^{4123403430961} is an apocalyptic number.

It is an amenable number.

4123403430961 is a deficient number, since it is larger than the sum of its proper divisors (1).

4123403430961 is an equidigital number, since it uses as much as digits as its factorization.

4123403430961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 186624, while the sum is 40.

The spelling of 4123403430961 in words is "four trillion, one hundred twenty-three billion, four hundred three million, four hundred thirty thousand, nine hundred sixty-one".