423001133 has 4 divisors (see below), whose sum is σ = 423184320. Its totient is φ = 422817948.

The previous prime is 423001099. The next prime is 423001171. The reversal of 423001133 is 331100324.

It is a happy number.

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 423001133 - 2¹² = 422997037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423001193) 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, 88085 + ... + 92762.

It is an arithmetic number, because the mean of its divisors is an integer number (105796080).

Almost surely, 2^423001133 is an apocalyptic number.

It is an amenable number.

423001133 is a deficient number, since it is larger than the sum of its proper divisors (183187).

423001133 is a wasteful number, since it uses less digits than its factorization.

423001133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183186.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 423001133 is about 20566.9913453572. The cubic root of 423001133 is about 750.6667451663. Note that the first 3 decimals are identical.

Adding to 423001133 its reverse (331100324), we get a palindrome (754101457).

The spelling of 423001133 in words is "four hundred twenty-three million, one thousand, one hundred thirty-three".