23961601 has 2 divisors, whose sum is σ = 23961602. Its totient is φ = 23961600.

The previous prime is 23961599. The next prime is 23961649. The reversal of 23961601 is 10616932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23961025 + 576 = 4895^2 + 24^2 .

It is a cyclic number.

It is not a de Polignac number, because 23961601 - 2¹ = 23961599 is a prime.

Together with 23961599, it forms a pair of twin primes.

It is equal to p_1504846 and since 23961601 and 1504846 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23961601.

It is not a weakly prime, because it can be changed into another prime (23961401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11980800 + 11980801.

It is an arithmetic number, because the mean of its divisors is an integer number (11980801).

It is a Proth number, since it is equal to 2925 ⋅ 2¹³ + 1 and 2925 < 2¹³.

Almost surely, 2^23961601 is an apocalyptic number.

It is an amenable number.

23961601 is a deficient number, since it is larger than the sum of its proper divisors (1).

23961601 is an equidigital number, since it uses as much as digits as its factorization.

23961601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 23961601 is about 4895.0588351929. The cubic root of 23961601 is about 288.2959959969.

The spelling of 23961601 in words is "twenty-three million, nine hundred sixty-one thousand, six hundred one".