423404141 has 4 divisors (see below), whose sum is σ = 425532000. Its totient is φ = 421276284.

The previous prime is 423404129. The next prime is 423404173. The reversal of 423404141 is 141404324.

It is a happy number.

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 423404141 - 2¹⁸ = 423141997 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 (423404041) 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, 1063631 + ... + 1064028.

It is an arithmetic number, because the mean of its divisors is an integer number (106383000).

Almost surely, 2^423404141 is an apocalyptic number.

It is an amenable number.

423404141 is a deficient number, since it is larger than the sum of its proper divisors (2127859).

423404141 is a wasteful number, since it uses less digits than its factorization.

423404141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127858.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 423404141 is about 20576.7864595033. The cubic root of 423404141 is about 750.9050650001.

Adding to 423404141 its reverse (141404324), we get a palindrome (564808465).

The spelling of 423404141 in words is "four hundred twenty-three million, four hundred four thousand, one hundred forty-one".