423200949 has 4 divisors (see below), whose sum is σ = 564267936. Its totient is φ = 282133964.

The previous prime is 423200891. The next prime is 423200959. The reversal of 423200949 is 949002324.

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 423200949 - 2¹² = 423196853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423200959) 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, 70533489 + ... + 70533494.

It is an arithmetic number, because the mean of its divisors is an integer number (141066984).

Almost surely, 2^423200949 is an apocalyptic number.

It is an amenable number.

423200949 is a deficient number, since it is larger than the sum of its proper divisors (141066987).

423200949 is a wasteful number, since it uses less digits than its factorization.

423200949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141066986.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 423200949 is about 20571.8484585124. The cubic root of 423200949 is about 750.7849257910.

The spelling of 423200949 in words is "four hundred twenty-three million, two hundred thousand, nine hundred forty-nine".