423040341 has 4 divisors (see below), whose sum is σ = 564053792. Its totient is φ = 282026892.

The previous prime is 423040333. The next prime is 423040363. The reversal of 423040341 is 143040324.

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 not a de Polignac number, because 423040341 - 2³ = 423040333 is a prime.

It is a super-2 number, since 2×423040341² = 357926260226792562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423040381) 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, 70506721 + ... + 70506726.

It is an arithmetic number, because the mean of its divisors is an integer number (141013448).

Almost surely, 2^423040341 is an apocalyptic number.

It is an amenable number.

423040341 is a deficient number, since it is larger than the sum of its proper divisors (141013451).

423040341 is a wasteful number, since it uses less digits than its factorization.

423040341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141013450.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 423040341 is about 20567.9445010920. The cubic root of 423040341 is about 750.6899375647.

Adding to 423040341 its reverse (143040324), we get a palindrome (566080665).

The spelling of 423040341 in words is "four hundred twenty-three million, forty thousand, three hundred forty-one".