1300023312 has 60 divisors (see below), whose sum is σ = 3906709776. Its totient is φ = 371434560.

The previous prime is 1300023293. The next prime is 1300023313. The reversal of 1300023312 is 2133200031.

It is a super-2 number, since 2×1300023312² = 3380121223486898688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1300023291 and 1300023300.

It is not an unprimeable number, because it can be changed into a prime (1300023313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 274014 + ... + 278717.

Almost surely, 2^1300023312 is an apocalyptic number.

1300023312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1300023312 is an abundant number, since it is smaller than the sum of its proper divisors (2606686464).

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

1300023312 is a wasteful number, since it uses less digits than its factorization.

1300023312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552756 (or 552743 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 1300023312 is about 36055.8360324650. The cubic root of 1300023312 is about 1091.3994067531.

Adding to 1300023312 its reverse (2133200031), we get a palindrome (3433223343).

The spelling of 1300023312 in words is "one billion, three hundred million, twenty-three thousand, three hundred twelve".