23240011 has 2 divisors, whose sum is σ = 23240012. Its totient is φ = 23240010.

The previous prime is 23239981. The next prime is 23240029. The reversal of 23240011 is 11004232.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23240011 - 2⁷ = 23239883 is a prime.

It is a super-2 number, since 2×23240011² = 1080196222560242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23239973 and 23240000.

It is not a weakly prime, because it can be changed into another prime (23240911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11620005 + 11620006.

It is an arithmetic number, because the mean of its divisors is an integer number (11620006).

Almost surely, 2^23240011 is an apocalyptic number.

23240011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23240011 is an equidigital number, since it uses as much as digits as its factorization.

23240011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 23240011 is about 4820.7894581697. The cubic root of 23240011 is about 285.3724933455.

Adding to 23240011 its reverse (11004232), we get a palindrome (34244243).

The spelling of 23240011 in words is "twenty-three million, two hundred forty thousand, eleven".