11420023312 has 10 divisors (see below), whose sum is σ = 22126295198. Its totient is φ = 5710011648.

The previous prime is 11420023301. The next prime is 11420023333. The reversal of 11420023312 is 21332002411.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 10609824016 + 810199296 = 103004^2 + 28464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11420023312.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356875713 + ... + 356875744.

Almost surely, 2^11420023312 is an apocalyptic number.

It is an amenable number.

11420023312 is a deficient number, since it is larger than the sum of its proper divisors (10706271886).

11420023312 is an equidigital number, since it uses as much as digits as its factorization.

11420023312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713751465 (or 713751459 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 11420023312 its reverse (21332002411), we get a palindrome (32752025723).

The spelling of 11420023312 in words is "eleven billion, four hundred twenty million, twenty-three thousand, three hundred twelve".