423866602 has 4 divisors (see below), whose sum is σ = 635799906. Its totient is φ = 211933300.

The previous prime is 423866591. The next prime is 423866603. The reversal of 423866602 is 206668324.

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

It can be written as a sum of positive squares in only one way, i.e., 304816681 + 119049921 = 17459^2 + 10911^2 .

It is not an unprimeable number, because it can be changed into a prime (423866603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105966649 + ... + 105966652.

Almost surely, 2^423866602 is an apocalyptic number.

423866602 is a deficient number, since it is larger than the sum of its proper divisors (211933304).

423866602 is a wasteful number, since it uses less digits than its factorization.

423866602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211933303.

The product of its (nonzero) digits is 82944, while the sum is 37.

The square root of 423866602 is about 20588.0208373705. The cubic root of 423866602 is about 751.1783562584.

The spelling of 423866602 in words is "four hundred twenty-three million, eight hundred sixty-six thousand, six hundred two".