2300133000721 has 2 divisors, whose sum is σ = 2300133000722. Its totient is φ = 2300133000720.

The previous prime is 2300133000709. The next prime is 2300133000793. The reversal of 2300133000721 is 1270003310032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2011393351696 + 288739649025 = 1418236^2 + 537345^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2300133000721 is a prime.

It is a super-2 number, since 2×2300133000721² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2300133000692 and 2300133000701.

It is not a weakly prime, because it can be changed into another prime (2300133000821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1150066500360 + 1150066500361.

It is an arithmetic number, because the mean of its divisors is an integer number (1150066500361).

Almost surely, 2^{2300133000721} is an apocalyptic number.

It is an amenable number.

2300133000721 is a deficient number, since it is larger than the sum of its proper divisors (1).

2300133000721 is an equidigital number, since it uses as much as digits as its factorization.

2300133000721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

Adding to 2300133000721 its reverse (1270003310032), we get a palindrome (3570136310753).

The spelling of 2300133000721 in words is "two trillion, three hundred billion, one hundred thirty-three million, seven hundred twenty-one", and thus it is an aban number.