423400241 has 8 divisors (see below), whose sum is σ = 462439200. Its totient is φ = 384452640.

The previous prime is 423400223. The next prime is 423400259. The reversal of 423400241 is 142004324.

It is an interprime number because it is at equal distance from previous prime (423400223) and next prime (423400259).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-423400241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (423400291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12956 + ... + 31853.

It is an arithmetic number, because the mean of its divisors is an integer number (57804900).

Almost surely, 2^423400241 is an apocalyptic number.

It is an amenable number.

423400241 is a deficient number, since it is larger than the sum of its proper divisors (39038959).

423400241 is a wasteful number, since it uses less digits than its factorization.

423400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45679.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 423400241 is about 20576.6916923008. The cubic root of 423400241 is about 750.9027594497.

Adding to 423400241 its reverse (142004324), we get a palindrome (565404565).

The spelling of 423400241 in words is "four hundred twenty-three million, four hundred thousand, two hundred forty-one".