23061361 has 4 divisors (see below), whose sum is σ = 23072500. Its totient is φ = 23050224.

The previous prime is 23061359. The next prime is 23061407. The reversal of 23061361 is 16316032.

It is the 1961-st star number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11289600 + 11771761 = 3360^2 + 3431^2 .

It is a cyclic number.

It is not a de Polignac number, because 23061361 - 2¹ = 23061359 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23061761) 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, 1446 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (5768125).

Almost surely, 2^23061361 is an apocalyptic number.

It is an amenable number.

23061361 is a deficient number, since it is larger than the sum of its proper divisors (11139).

23061361 is an equidigital number, since it uses as much as digits as its factorization.

23061361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11138.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 23061361 is about 4802.2245886672. The cubic root of 23061361 is about 284.6393756200.

Adding to 23061361 its reverse (16316032), we get a palindrome (39377393).

The spelling of 23061361 in words is "twenty-three million, sixty-one thousand, three hundred sixty-one".