2023123312 has 20 divisors (see below), whose sum is σ = 4479773296. Its totient is φ = 867052800.

The previous prime is 2023123307. The next prime is 2023123331. The reversal of 2023123312 is 2133213202.

It is a self number, because there is not a number n which added to its sum of digits gives 2023123312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9031689 + ... + 9031912.

Almost surely, 2^2023123312 is an apocalyptic number.

It is an amenable number.

2023123312 is an abundant number, since it is smaller than the sum of its proper divisors (2456649984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2023123312 is a wasteful number, since it uses less digits than its factorization.

2023123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18063616 (or 18063610 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2023123312 is about 44979.1430776532. The cubic root of 2023123312 is about 1264.7580475352.

Adding to 2023123312 its reverse (2133213202), we get a palindrome (4156336514).

The spelling of 2023123312 in words is "two billion, twenty-three million, one hundred twenty-three thousand, three hundred twelve".