1230223311 has 6 divisors (see below), whose sum is σ = 1776989240. Its totient is φ = 820148868.

The previous prime is 1230223307. The next prime is 1230223321. The reversal of 1230223311 is 1133220321.

It is not a de Polignac number, because 1230223311 - 2² = 1230223307 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 (1230223321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68345731 + ... + 68345748.

Almost surely, 2^1230223311 is an apocalyptic number.

1230223311 is a deficient number, since it is larger than the sum of its proper divisors (546765929).

1230223311 is a wasteful number, since it uses less digits than its factorization.

1230223311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136691485 (or 136691482 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1230223311 is about 35074.5393554926. The cubic root of 1230223311 is about 1071.5061071279.

Adding to 1230223311 its reverse (1133220321), we get a palindrome (2363443632).

The spelling of 1230223311 in words is "one billion, two hundred thirty million, two hundred twenty-three thousand, three hundred eleven".