423403302391 has 2 divisors, whose sum is σ = 423403302392. Its totient is φ = 423403302390.

The previous prime is 423403302341. The next prime is 423403302437. The reversal of 423403302391 is 193203304324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423403302391 - 2¹³ = 423403294199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (423403302341) 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, 211701651195 + 211701651196.

It is an arithmetic number, because the mean of its divisors is an integer number (211701651196).

Almost surely, 2^423403302391 is an apocalyptic number.

423403302391 is a deficient number, since it is larger than the sum of its proper divisors (1).

423403302391 is an equidigital number, since it uses as much as digits as its factorization.

423403302391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 34.

The spelling of 423403302391 in words is "four hundred twenty-three billion, four hundred three million, three hundred two thousand, three hundred ninety-one".