23652661 has 8 divisors (see below), whose sum is σ = 25908120. Its totient is φ = 21493248.

The previous prime is 23652653. The next prime is 23652667. The reversal of 23652661 is 16625632.

It can be written as a sum of positive squares in 4 ways, for example, as 15132100 + 8520561 = 3890^2 + 2919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23652661 - 2³ = 23652653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23652667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23496 + ... + 24481.

It is an arithmetic number, because the mean of its divisors is an integer number (3238515).

Almost surely, 2^23652661 is an apocalyptic number.

It is an amenable number.

23652661 is a deficient number, since it is larger than the sum of its proper divisors (2255459).

23652661 is a wasteful number, since it uses less digits than its factorization.

23652661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48023.

The product of its digits is 12960, while the sum is 31.

The square root of 23652661 is about 4863.4001480446. The cubic root of 23652661 is about 287.0516201710.

The spelling of 23652661 in words is "twenty-three million, six hundred fifty-two thousand, six hundred sixty-one".