23783761 has 2 divisors, whose sum is σ = 23783762. Its totient is φ = 23783760.

The previous prime is 23783743. The next prime is 23783777. The reversal of 23783761 is 16738732.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22743361 + 1040400 = 4769^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 23783761 - 2⁵ = 23783729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23783761.

It is not a weakly prime, because it can be changed into another prime (23783261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11891880 + 11891881.

It is an arithmetic number, because the mean of its divisors is an integer number (11891881).

Almost surely, 2^23783761 is an apocalyptic number.

It is an amenable number.

23783761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23783761 is an equidigital number, since it uses as much as digits as its factorization.

23783761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 37.

The square root of 23783761 is about 4876.8597478295. The cubic root of 23783761 is about 287.5809919263.

The spelling of 23783761 in words is "twenty-three million, seven hundred eighty-three thousand, seven hundred sixty-one".