381422423 has 4 divisors (see below), whose sum is σ = 382418688. Its totient is φ = 380426160.

The previous prime is 381422417. The next prime is 381422429. The reversal of 381422423 is 324224183.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (381422417) and next prime (381422429).

It is a cyclic number.

It is not a de Polignac number, because 381422423 - 2¹⁰ = 381421399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381422429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497558 + ... + 498323.

It is an arithmetic number, because the mean of its divisors is an integer number (95604672).

Almost surely, 2^381422423 is an apocalyptic number.

381422423 is a deficient number, since it is larger than the sum of its proper divisors (996265).

381422423 is an equidigital number, since it uses as much as digits as its factorization.

381422423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996264.

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

The square root of 381422423 is about 19530.0389912565. The cubic root of 381422423 is about 725.2182762507.

The spelling of 381422423 in words is "three hundred eighty-one million, four hundred twenty-two thousand, four hundred twenty-three".