23755661 has 2 divisors, whose sum is σ = 23755662. Its totient is φ = 23755660.

The previous prime is 23755649. The next prime is 23755673. The reversal of 23755661 is 16655732.

It is a balanced prime because it is at equal distance from previous prime (23755649) and next prime (23755673).

It can be written as a sum of positive squares in only one way, i.e., 23222761 + 532900 = 4819^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 23755661 - 2⁶ = 23755597 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23755621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11877830 + 11877831.

It is an arithmetic number, because the mean of its divisors is an integer number (11877831).

Almost surely, 2^23755661 is an apocalyptic number.

It is an amenable number.

23755661 is a deficient number, since it is larger than the sum of its proper divisors (1).

23755661 is an equidigital number, since it uses as much as digits as its factorization.

23755661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 23755661 is about 4873.9779441438. The cubic root of 23755661 is about 287.4676903830.

The spelling of 23755661 in words is "twenty-three million, seven hundred fifty-five thousand, six hundred sixty-one".