423541606 has 4 divisors (see below), whose sum is σ = 635312412. Its totient is φ = 211770802.

The previous prime is 423541579. The next prime is 423541609. The reversal of 423541606 is 606145324.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423541609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105885400 + ... + 105885403.

It is an arithmetic number, because the mean of its divisors is an integer number (158828103).

Almost surely, 2^423541606 is an apocalyptic number.

423541606 is a deficient number, since it is larger than the sum of its proper divisors (211770806).

423541606 is a wasteful number, since it uses less digits than its factorization.

423541606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211770805.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 423541606 is about 20580.1264816327. The cubic root of 423541606 is about 750.9863206971.

The spelling of 423541606 in words is "four hundred twenty-three million, five hundred forty-one thousand, six hundred six".