423321144004427 has 2 divisors, whose sum is σ = 423321144004428. Its totient is φ = 423321144004426.

The previous prime is 423321144004399. The next prime is 423321144004441. The reversal of 423321144004427 is 724400441123324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 423321144004427 - 2⁴⁰ = 422221632376651 is a prime.

It is a super-2 number, since 2×423321144004427² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (423321144004457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211660572002213 + 211660572002214.

It is an arithmetic number, because the mean of its divisors is an integer number (211660572002214).

Almost surely, 2^{423321144004427} is an apocalyptic number.

423321144004427 is a deficient number, since it is larger than the sum of its proper divisors (1).

423321144004427 is an equidigital number, since it uses as much as digits as its factorization.

423321144004427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 516096, while the sum is 41.

The spelling of 423321144004427 in words is "four hundred twenty-three trillion, three hundred twenty-one billion, one hundred forty-four million, four thousand, four hundred twenty-seven".