1234335040423 has 2 divisors, whose sum is σ = 1234335040424. Its totient is φ = 1234335040422.

The previous prime is 1234335040409. The next prime is 1234335040481. The reversal of 1234335040423 is 3240405334321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1234335040423 - 2²⁹ = 1233798169511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1234335040403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 617167520211 + 617167520212.

It is an arithmetic number, because the mean of its divisors is an integer number (617167520212).

Almost surely, 2^{1234335040423} is an apocalyptic number.

1234335040423 is a deficient number, since it is larger than the sum of its proper divisors (1).

1234335040423 is an equidigital number, since it uses as much as digits as its factorization.

1234335040423 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 34.

The spelling of 1234335040423 in words is "one trillion, two hundred thirty-four billion, three hundred thirty-five million, forty thousand, four hundred twenty-three".