1232023312 has 20 divisors (see below), whose sum is σ = 2570664460. Its totient is φ = 568626048.

The previous prime is 1232023301. The next prime is 1232023339. The reversal of 1232023312 is 2133202321.

It can be written as a sum of positive squares in 2 ways, for example, as 535274496 + 696748816 = 23136^2 + 26396^2 .

It is a super-2 number, since 2×1232023312² = 3035762882622898688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1232023312.

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, 2961387 + ... + 2961802.

It is an arithmetic number, because the mean of its divisors is an integer number (128533223).

Almost surely, 2^1232023312 is an apocalyptic number.

It is an amenable number.

1232023312 is an abundant number, since it is smaller than the sum of its proper divisors (1338641148).

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

1232023312 is a wasteful number, since it uses less digits than its factorization.

1232023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923210 (or 5923204 counting only the distinct ones).

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

The square root of 1232023312 is about 35100.1896291174. The cubic root of 1232023312 is about 1072.0284437764.

Adding to 1232023312 its reverse (2133202321), we get a palindrome (3365225633).

The spelling of 1232023312 in words is "one billion, two hundred thirty-two million, twenty-three thousand, three hundred twelve".