23630161 has 8 divisors (see below), whose sum is σ = 24381864. Its totient is φ = 22884480.

The previous prime is 23630147. The next prime is 23630197. The reversal of 23630161 is 16103632.

It can be written as a sum of positive squares in 4 ways, for example, as 2873025 + 20757136 = 1695^2 + 4556^2 .

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 23630161 - 2¹⁵ = 23597393 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 (23636161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7251 + ... + 9991.

It is an arithmetic number, because the mean of its divisors is an integer number (3047733).

Almost surely, 2^23630161 is an apocalyptic number.

It is an amenable number.

23630161 is a deficient number, since it is larger than the sum of its proper divisors (751703).

23630161 is a wasteful number, since it uses less digits than its factorization.

23630161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23630161 is about 4861.0864012070. The cubic root of 23630161 is about 286.9605703661.

Adding to 23630161 its reverse (16103632), we get a palindrome (39733793).

The spelling of 23630161 in words is "twenty-three million, six hundred thirty thousand, one hundred sixty-one".