423441601 has 4 divisors (see below), whose sum is σ = 461936304. Its totient is φ = 384946900.

The previous prime is 423441589. The next prime is 423441607. The reversal of 423441601 is 106144324.

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 423441601 - 2²¹ = 421344449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423441607) 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, 19247335 + ... + 19247356.

It is an arithmetic number, because the mean of its divisors is an integer number (115484076).

Almost surely, 2^423441601 is an apocalyptic number.

It is an amenable number.

423441601 is a deficient number, since it is larger than the sum of its proper divisors (38494703).

423441601 is a wasteful number, since it uses less digits than its factorization.

423441601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38494702.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 423441601 is about 20577.6966884051. The cubic root of 423441601 is about 750.9272093861.

Adding to 423441601 its reverse (106144324), we get a palindrome (529585925).

The spelling of 423441601 in words is "four hundred twenty-three million, four hundred forty-one thousand, six hundred one".