23655953 has 2 divisors, whose sum is σ = 23655954. Its totient is φ = 23655952.

The previous prime is 23655949. The next prime is 23655971. The reversal of 23655953 is 35955632.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19465744 + 4190209 = 4412^2 + 2047^2 .

It is a cyclic number.

It is not a de Polignac number, because 23655953 - 2² = 23655949 is a prime.

It is a super-2 number, since 2×23655953² = 1119208224676418, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (23655353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11827976 + 11827977.

It is an arithmetic number, because the mean of its divisors is an integer number (11827977).

Almost surely, 2^23655953 is an apocalyptic number.

It is an amenable number.

23655953 is a deficient number, since it is larger than the sum of its proper divisors (1).

23655953 is an equidigital number, since it uses as much as digits as its factorization.

23655953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121500, while the sum is 38.

The square root of 23655953 is about 4863.7385826132. The cubic root of 23655953 is about 287.0649369263.

The spelling of 23655953 in words is "twenty-three million, six hundred fifty-five thousand, nine hundred fifty-three".