4021343123407 has 2 divisors, whose sum is σ = 4021343123408. Its totient is φ = 4021343123406.

The previous prime is 4021343123401. The next prime is 4021343123461. The reversal of 4021343123407 is 7043213431204.

4021343123407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4021343123407 - 2¹¹ = 4021343121359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4021343123401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010671561703 + 2010671561704.

It is an arithmetic number, because the mean of its divisors is an integer number (2010671561704).

Almost surely, 2^{4021343123407} is an apocalyptic number.

4021343123407 is a deficient number, since it is larger than the sum of its proper divisors (1).

4021343123407 is an equidigital number, since it uses as much as digits as its factorization.

4021343123407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 34.

The spelling of 4021343123407 in words is "four trillion, twenty-one billion, three hundred forty-three million, one hundred twenty-three thousand, four hundred seven".