42429284423 has 2 divisors, whose sum is σ = 42429284424. Its totient is φ = 42429284422.

The previous prime is 42429284419. The next prime is 42429284441. The reversal of 42429284423 is 32448292424.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42429284423 - 2² = 42429284419 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42429284453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21214642211 + 21214642212.

It is an arithmetic number, because the mean of its divisors is an integer number (21214642212).

Almost surely, 2^42429284423 is an apocalyptic number.

42429284423 is a deficient number, since it is larger than the sum of its proper divisors (1).

42429284423 is an equidigital number, since it uses as much as digits as its factorization.

42429284423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 44.

The spelling of 42429284423 in words is "forty-two billion, four hundred twenty-nine million, two hundred eighty-four thousand, four hundred twenty-three".