442430132423 has 2 divisors, whose sum is σ = 442430132424. Its totient is φ = 442430132422.

The previous prime is 442430132411. The next prime is 442430132449. The reversal of 442430132423 is 324231034244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442430132423 - 2³⁰ = 441356390599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442430132423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442430102423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221215066211 + 221215066212.

It is an arithmetic number, because the mean of its divisors is an integer number (221215066212).

Almost surely, 2^442430132423 is an apocalyptic number.

442430132423 is a deficient number, since it is larger than the sum of its proper divisors (1).

442430132423 is an equidigital number, since it uses as much as digits as its factorization.

442430132423 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 442430132423 its reverse (324231034244), we get a palindrome (766661166667).

The spelling of 442430132423 in words is "four hundred forty-two billion, four hundred thirty million, one hundred thirty-two thousand, four hundred twenty-three".