422523141 has 4 divisors (see below), whose sum is σ = 563364192. Its totient is φ = 281682092.

The previous prime is 422523137. The next prime is 422523161. The reversal of 422523141 is 141325224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 422523141 - 2² = 422523137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422523161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70420521 + ... + 70420526.

It is an arithmetic number, because the mean of its divisors is an integer number (140841048).

Almost surely, 2^422523141 is an apocalyptic number.

It is an amenable number.

422523141 is a deficient number, since it is larger than the sum of its proper divisors (140841051).

422523141 is a wasteful number, since it uses less digits than its factorization.

422523141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140841050.

The product of its digits is 1920, while the sum is 24.

The square root of 422523141 is about 20555.3676931355. The cubic root of 422523141 is about 750.3838870297.

Adding to 422523141 its reverse (141325224), we get a palindrome (563848365).

The spelling of 422523141 in words is "four hundred twenty-two million, five hundred twenty-three thousand, one hundred forty-one".