423212011 has 4 divisors (see below), whose sum is σ = 427094800. Its totient is φ = 419329224.

The previous prime is 423211967. The next prime is 423212033. The reversal of 423212011 is 110212324.

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

It is a cyclic number.

It is not a de Polignac number, because 423212011 - 2¹³ = 423203819 is a prime.

It is a super-3 number, since 3×423212011³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (423212411) 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, 1941231 + ... + 1941448.

It is an arithmetic number, because the mean of its divisors is an integer number (106773700).

Almost surely, 2^423212011 is an apocalyptic number.

423212011 is a deficient number, since it is larger than the sum of its proper divisors (3882789).

423212011 is a wasteful number, since it uses less digits than its factorization.

423212011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882788.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 423212011 is about 20572.1173193233. The cubic root of 423212011 is about 750.7914672937.

Adding to 423212011 its reverse (110212324), we get a palindrome (533424335).

The spelling of 423212011 in words is "four hundred twenty-three million, two hundred twelve thousand, eleven".