23554081 has 2 divisors, whose sum is σ = 23554082. Its totient is φ = 23554080.

The previous prime is 23554043. The next prime is 23554099. The reversal of 23554081 is 18045532.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18190225 + 5363856 = 4265^2 + 2316^2 .

It is a cyclic number.

It is not a de Polignac number, because 23554081 - 2⁷ = 23553953 is a prime.

It is a super-2 number, since 2×23554081² = 1109589463509122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23554021) 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, 11777040 + 11777041.

It is an arithmetic number, because the mean of its divisors is an integer number (11777041).

Almost surely, 2^23554081 is an apocalyptic number.

It is an amenable number.

23554081 is a deficient number, since it is larger than the sum of its proper divisors (1).

23554081 is an equidigital number, since it uses as much as digits as its factorization.

23554081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 23554081 is about 4853.2546811392. The cubic root of 23554081 is about 286.6522718269.

The spelling of 23554081 in words is "twenty-three million, five hundred fifty-four thousand, eighty-one".