23081601 has 4 divisors (see below), whose sum is σ = 30775472. Its totient is φ = 15387732.

The previous prime is 23081557. The next prime is 23081609. The reversal of 23081601 is 10618032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 23081601 - 2¹³ = 23073409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23081609) 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, 3846931 + ... + 3846936.

It is an arithmetic number, because the mean of its divisors is an integer number (7693868).

Almost surely, 2^23081601 is an apocalyptic number.

It is an amenable number.

23081601 is a deficient number, since it is larger than the sum of its proper divisors (7693871).

23081601 is an equidigital number, since it uses as much as digits as its factorization.

23081601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7693870.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 23081601 is about 4804.3314831514. The cubic root of 23081601 is about 284.7226233282.

Adding to 23081601 its reverse (10618032), we get a palindrome (33699633).

The spelling of 23081601 in words is "twenty-three million, eighty-one thousand, six hundred one".