23652961 has 4 divisors (see below), whose sum is σ = 23694532. Its totient is φ = 23611392.

The previous prime is 23652919. The next prime is 23652971. The reversal of 23652961 is 16925632.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15358561 + 8294400 = 3919^2 + 2880^2 .

It is a cyclic number.

It is not a de Polignac number, because 23652961 - 2¹⁷ = 23521889 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23652911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19920 + ... + 21073.

It is an arithmetic number, because the mean of its divisors is an integer number (5923633).

Almost surely, 2^23652961 is an apocalyptic number.

It is an amenable number.

23652961 is a deficient number, since it is larger than the sum of its proper divisors (41571).

23652961 is an equidigital number, since it uses as much as digits as its factorization.

23652961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41570.

The product of its digits is 19440, while the sum is 34.

The square root of 23652961 is about 4863.4309905662. The cubic root of 23652961 is about 287.0528337783.

The spelling of 23652961 in words is "twenty-three million, six hundred fifty-two thousand, nine hundred sixty-one".