423632026 has 4 divisors (see below), whose sum is σ = 635448042. Its totient is φ = 211816012.

The previous prime is 423632017. The next prime is 423632051. The reversal of 423632026 is 620236324.

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., 423330625 + 301401 = 20575^2 + 549^2 .

It is a junction number, because it is equal to n+sod(n) for n = 423631985 and 423632003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105908005 + ... + 105908008.

Almost surely, 2^423632026 is an apocalyptic number.

423632026 is a deficient number, since it is larger than the sum of its proper divisors (211816016).

423632026 is a wasteful number, since it uses less digits than its factorization.

423632026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211816015.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 423632026 is about 20582.3231439019. The cubic root of 423632026 is about 751.0397584629.

The spelling of 423632026 in words is "four hundred twenty-three million, six hundred thirty-two thousand, twenty-six".