422381423 has 2 divisors, whose sum is σ = 422381424. Its totient is φ = 422381422.

The previous prime is 422381387. The next prime is 422381461. The reversal of 422381423 is 324183224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422381423 - 2¹² = 422377327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422381483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211190711 + 211190712.

It is an arithmetic number, because the mean of its divisors is an integer number (211190712).

Almost surely, 2^422381423 is an apocalyptic number.

422381423 is a deficient number, since it is larger than the sum of its proper divisors (1).

422381423 is an equidigital number, since it uses as much as digits as its factorization.

422381423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9216, while the sum is 29.

The square root of 422381423 is about 20551.9201779298. The cubic root of 422381423 is about 750.2999825165.

The spelling of 422381423 in words is "four hundred twenty-two million, three hundred eighty-one thousand, four hundred twenty-three".