23101601 has 2 divisors, whose sum is σ = 23101602. Its totient is φ = 23101600.

The previous prime is 23101597. The next prime is 23101609. The reversal of 23101601 is 10610132.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21613201 + 1488400 = 4649^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 23101601 - 2² = 23101597 is a prime.

It is not a weakly prime, because it can be changed into another prime (23101609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11550800 + 11550801.

It is an arithmetic number, because the mean of its divisors is an integer number (11550801).

Almost surely, 2^23101601 is an apocalyptic number.

It is an amenable number.

23101601 is a deficient number, since it is larger than the sum of its proper divisors (1).

23101601 is an equidigital number, since it uses as much as digits as its factorization.

23101601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 23101601 is about 4806.4124875004. The cubic root of 23101601 is about 284.8048361194.

Adding to 23101601 its reverse (10610132), we get a palindrome (33711733).

The spelling of 23101601 in words is "twenty-three million, one hundred one thousand, six hundred one".