23061161 has 4 divisors (see below), whose sum is σ = 23551872. Its totient is φ = 22570452.

The previous prime is 23061139. The next prime is 23061169. The reversal of 23061161 is 16116032.

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 a cyclic number.

It is not a de Polignac number, because 23061161 - 2⁶ = 23061097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23061169) 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, 245285 + ... + 245378.

It is an arithmetic number, because the mean of its divisors is an integer number (5887968).

Almost surely, 2^23061161 is an apocalyptic number.

It is an amenable number.

23061161 is a deficient number, since it is larger than the sum of its proper divisors (490711).

23061161 is an equidigital number, since it uses as much as digits as its factorization.

23061161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490710.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 23061161 is about 4802.2037649396. The cubic root of 23061161 is about 284.6385527712.

Adding to 23061161 its reverse (16116032), we get a palindrome (39177193).

The spelling of 23061161 in words is "twenty-three million, sixty-one thousand, one hundred sixty-one".