23315011 has 2 divisors, whose sum is σ = 23315012. Its totient is φ = 23315010.

The previous prime is 23315003. The next prime is 23315021. The reversal of 23315011 is 11051332.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23315011 - 2³ = 23315003 is a prime.

It is not a weakly prime, because it can be changed into another prime (23315021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11657505 + 11657506.

It is an arithmetic number, because the mean of its divisors is an integer number (11657506).

Almost surely, 2^23315011 is an apocalyptic number.

23315011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23315011 is an equidigital number, since it uses as much as digits as its factorization.

23315011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 23315011 is about 4828.5620012588. The cubic root of 23315011 is about 285.6791477383.

Adding to 23315011 its reverse (11051332), we get a palindrome (34366343).

The spelling of 23315011 in words is "twenty-three million, three hundred fifteen thousand, eleven".