340001003423 has 2 divisors, whose sum is σ = 340001003424. Its totient is φ = 340001003422.

The previous prime is 340001003317. The next prime is 340001003477. The reversal of 340001003423 is 324300100043.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 340001003423 - 2¹⁸ = 340000741279 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340001003395 and 340001003404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340001003623) 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, 170000501711 + 170000501712.

It is an arithmetic number, because the mean of its divisors is an integer number (170000501712).

Almost surely, 2^340001003423 is an apocalyptic number.

340001003423 is a deficient number, since it is larger than the sum of its proper divisors (1).

340001003423 is an equidigital number, since it uses as much as digits as its factorization.

340001003423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 340001003423 its reverse (324300100043), we get a palindrome (664301103466).

The spelling of 340001003423 in words is "three hundred forty billion, one million, three thousand, four hundred twenty-three".