230111912 has 8 divisors (see below), whose sum is σ = 431459850. Its totient is φ = 115055952.

The previous prime is 230111909. The next prime is 230112011. The reversal of 230111912 is 219111032.

It can be written as a sum of positive squares in only one way, i.e., 208340356 + 21771556 = 14434^2 + 4666^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381987 + ... + 14382002.

Almost surely, 2^230111912 is an apocalyptic number.

It is an amenable number.

230111912 is a deficient number, since it is larger than the sum of its proper divisors (201347938).

230111912 is a wasteful number, since it uses less digits than its factorization.

230111912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28763995 (or 28763991 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 230111912 is about 15169.4400687698. The cubic root of 230111912 is about 612.7919248164.

Adding to 230111912 its reverse (219111032), we get a palindrome (449222944).

The spelling of 230111912 in words is "two hundred thirty million, one hundred eleven thousand, nine hundred twelve".