9420783926423 has 2 divisors, whose sum is σ = 9420783926424. Its totient is φ = 9420783926422.

The previous prime is 9420783926387. The next prime is 9420783926503. The reversal of 9420783926423 is 3246293870249.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9420783926423 - 2³⁸ = 9145906019479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9420783922423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4710391963211 + 4710391963212.

It is an arithmetic number, because the mean of its divisors is an integer number (4710391963212).

Almost surely, 2^{9420783926423} is an apocalyptic number.

9420783926423 is a deficient number, since it is larger than the sum of its proper divisors (1).

9420783926423 is an equidigital number, since it uses as much as digits as its factorization.

9420783926423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31352832, while the sum is 59.

The spelling of 9420783926423 in words is "nine trillion, four hundred twenty billion, seven hundred eighty-three million, nine hundred twenty-six thousand, four hundred twenty-three".