23766761 has 2 divisors, whose sum is σ = 23766762. Its totient is φ = 23766760.

The previous prime is 23766749. The next prime is 23766763. The reversal of 23766761 is 16766732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 534361 = 4820^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 23766761 - 2¹⁰ = 23765737 is a prime.

It is a super-2 number, since 2×23766761² = 1129717856862242, which contains 22 as substring.

Together with 23766763, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1493399 and since 23766761 and 1493399 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23766763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11883380 + 11883381.

It is an arithmetic number, because the mean of its divisors is an integer number (11883381).

Almost surely, 2^23766761 is an apocalyptic number.

It is an amenable number.

23766761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23766761 is an equidigital number, since it uses as much as digits as its factorization.

23766761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 38.

The square root of 23766761 is about 4875.1165114282. The cubic root of 23766761 is about 287.5124571792.

The spelling of 23766761 in words is "twenty-three million, seven hundred sixty-six thousand, seven hundred sixty-one".