3000023281 has 2 divisors, whose sum is σ = 3000023282. Its totient is φ = 3000023280.

The previous prime is 3000023267. The next prime is 3000023309. The reversal of 3000023281 is 1823200003.

It is a happy number.

3000023281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2974611600 + 25411681 = 54540^2 + 5041^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000023281 - 2²³ = 2991634673 is a prime.

It is a super-2 number, since 2×3000023281² = 18000279373084009922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3000024281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500011640 + 1500011641.

It is an arithmetic number, because the mean of its divisors is an integer number (1500011641).

Almost surely, 2^3000023281 is an apocalyptic number.

It is an amenable number.

3000023281 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000023281 is an equidigital number, since it uses as much as digits as its factorization.

3000023281 is an evil number, because the sum of its binary digits is even.

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

The square root of 3000023281 is about 54772.4682755853. The cubic root of 3000023281 is about 1442.2533010769.

Adding to 3000023281 its reverse (1823200003), we get a palindrome (4823223284).

The spelling of 3000023281 in words is "three billion, twenty-three thousand, two hundred eighty-one".