23081361 has 16 divisors (see below), whose sum is σ = 32102400. Its totient is φ = 14732928.

The previous prime is 23081347. The next prime is 23081389. The reversal of 23081361 is 16318032.

It is not a de Polignac number, because 23081361 - 2⁶ = 23081297 is a prime.

It is a super-2 number, since 2×23081361² = 1065498451224642, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23081321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10005 + ... + 12093.

It is an arithmetic number, because the mean of its divisors is an integer number (2006400).

Almost surely, 2^23081361 is an apocalyptic number.

It is an amenable number.

23081361 is a deficient number, since it is larger than the sum of its proper divisors (9021039).

23081361 is a wasteful number, since it uses less digits than its factorization.

23081361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2248.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 23081361 is about 4804.3065056260. The cubic root of 23081361 is about 284.7216364864.

Adding to 23081361 its reverse (16318032), we get a palindrome (39399393).

The spelling of 23081361 in words is "twenty-three million, eighty-one thousand, three hundred sixty-one".