23061321 has 8 divisors (see below), whose sum is σ = 34164960. Its totient is φ = 15374196.

The previous prime is 23061317. The next prime is 23061329. The reversal of 23061321 is 12316032.

23061321 is a `hidden beast` number, since 2 + 30 + 613 + 21 = 666.

It is not a de Polignac number, because 23061321 - 2² = 23061317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23061294 and 23061303.

It is not an unprimeable number, because it can be changed into a prime (23061329) 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, 427035 + ... + 427088.

It is an arithmetic number, because the mean of its divisors is an integer number (4270620).

Almost surely, 2^23061321 is an apocalyptic number.

It is an amenable number.

23061321 is a deficient number, since it is larger than the sum of its proper divisors (11103639).

23061321 is an equidigital number, since it uses as much as digits as its factorization.

23061321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854132 (or 854126 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 23061321 is about 4802.2204239289. The cubic root of 23061321 is about 284.6392110506.

Adding to 23061321 its reverse (12316032), we get a palindrome (35377353).

The spelling of 23061321 in words is "twenty-three million, sixty-one thousand, three hundred twenty-one".