23180761 has 2 divisors, whose sum is σ = 23180762. Its totient is φ = 23180760.

The previous prime is 23180753. The next prime is 23180767. The reversal of 23180761 is 16708132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 6859161 = 4040^2 + 2619^2 .

It is a cyclic number.

It is not a de Polignac number, because 23180761 - 2³ = 23180753 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23180767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11590380 + 11590381.

It is an arithmetic number, because the mean of its divisors is an integer number (11590381).

Almost surely, 2^23180761 is an apocalyptic number.

It is an amenable number.

23180761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23180761 is an equidigital number, since it uses as much as digits as its factorization.

23180761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 23180761 is about 4814.6402773208. The cubic root of 23180761 is about 285.1297695680.

Adding to 23180761 its reverse (16708132), we get a palindrome (39888893).

The spelling of 23180761 in words is "twenty-three million, one hundred eighty thousand, seven hundred sixty-one".