423111212 has 24 divisors (see below), whose sum is σ = 752148432. Its totient is φ = 208224000.

The previous prime is 423111203. The next prime is 423111229. The reversal of 423111212 is 212111324.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174287 + ... + 176697.

It is an arithmetic number, because the mean of its divisors is an integer number (31339518).

Almost surely, 2^423111212 is an apocalyptic number.

It is an amenable number.

423111212 is a deficient number, since it is larger than the sum of its proper divisors (329037220).

423111212 is a wasteful number, since it uses less digits than its factorization.

423111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 3087 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 423111212 is about 20569.6672797593. The cubic root of 423111212 is about 750.7318556914.

Adding to 423111212 its reverse (212111324), we get a palindrome (635222536).

The spelling of 423111212 in words is "four hundred twenty-three million, one hundred eleven thousand, two hundred twelve".