10023002981 has 2 divisors, whose sum is σ = 10023002982. Its totient is φ = 10023002980.

The previous prime is 10023002971. The next prime is 10023003019. The reversal of 10023002981 is 18920032001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9566796100 + 456206881 = 97810^2 + 21359^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10023002981 is a prime.

It is a super-2 number, since 2×10023002981² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10023002981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10023002971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011501490 + 5011501491.

It is an arithmetic number, because the mean of its divisors is an integer number (5011501491).

Almost surely, 2^10023002981 is an apocalyptic number.

It is an amenable number.

10023002981 is a deficient number, since it is larger than the sum of its proper divisors (1).

10023002981 is an equidigital number, since it uses as much as digits as its factorization.

10023002981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

Adding to 10023002981 its reverse (18920032001), we get a palindrome (28943034982).

The spelling of 10023002981 in words is "ten billion, twenty-three million, two thousand, nine hundred eighty-one".