9923240011 has 2 divisors, whose sum is σ = 9923240012. Its totient is φ = 9923240010.

The previous prime is 9923240009. The next prime is 9923240101. The reversal of 9923240011 is 1100423299.

Together with next prime (9923240101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9923240011 - 2¹ = 9923240009 is a prime.

It is a super-2 number, since 2×9923240011² (a number of 21 digits) contains 22 as substring.

Together with 9923240009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9923240611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961620005 + 4961620006.

It is an arithmetic number, because the mean of its divisors is an integer number (4961620006).

Almost surely, 2^9923240011 is an apocalyptic number.

9923240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

9923240011 is an equidigital number, since it uses as much as digits as its factorization.

9923240011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 9923240011 is about 99615.4607026439. The cubic root of 9923240011 is about 2148.9080455418.

The spelling of 9923240011 in words is "nine billion, nine hundred twenty-three million, two hundred forty thousand, eleven".