23646481 has 2 divisors, whose sum is σ = 23646482. Its totient is φ = 23646480.

The previous prime is 23646457. The next prime is 23646503. The reversal of 23646481 is 18464632.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14592400 + 9054081 = 3820^2 + 3009^2 .

It is a cyclic number.

It is not a de Polignac number, because 23646481 - 2⁷ = 23646353 is a prime.

It is a super-2 number, since 2×23646481² = 1118312127366722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (23646401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11823240 + 11823241.

It is an arithmetic number, because the mean of its divisors is an integer number (11823241).

Almost surely, 2^23646481 is an apocalyptic number.

It is an amenable number.

23646481 is a deficient number, since it is larger than the sum of its proper divisors (1).

23646481 is an equidigital number, since it uses as much as digits as its factorization.

23646481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 34.

The square root of 23646481 is about 4862.7647485767. The cubic root of 23646481 is about 287.0266175785.

The spelling of 23646481 in words is "twenty-three million, six hundred forty-six thousand, four hundred eighty-one".