23555011 has 2 divisors, whose sum is σ = 23555012. Its totient is φ = 23555010.

The previous prime is 23554997. The next prime is 23555023. The reversal of 23555011 is 11055532.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 23555011 - 2⁹ = 23554499 is a prime.

It is not a weakly prime, because it can be changed into another prime (23555111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11777505 + 11777506.

It is an arithmetic number, because the mean of its divisors is an integer number (11777506).

Almost surely, 2^23555011 is an apocalyptic number.

23555011 is a deficient number, since it is larger than the sum of its proper divisors (1).

23555011 is an equidigital number, since it uses as much as digits as its factorization.

23555011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 23555011 is about 4853.3504921858. The cubic root of 23555011 is about 286.6560444655.

The spelling of 23555011 in words is "twenty-three million, five hundred fifty-five thousand, eleven".