23204761 has 2 divisors, whose sum is σ = 23204762. Its totient is φ = 23204760.

The previous prime is 23204737. The next prime is 23204773. The reversal of 23204761 is 16740232.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22619536 + 585225 = 4756^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 23204761 - 2⁹ = 23204249 is a prime.

It is not a weakly prime, because it can be changed into another prime (23204261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11602380 + 11602381.

It is an arithmetic number, because the mean of its divisors is an integer number (11602381).

Almost surely, 2^23204761 is an apocalyptic number.

It is an amenable number.

23204761 is a deficient number, since it is larger than the sum of its proper divisors (1).

23204761 is an equidigital number, since it uses as much as digits as its factorization.

23204761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 23204761 is about 4817.1320305759. The cubic root of 23204761 is about 285.2281378395.

Adding to 23204761 its reverse (16740232), we get a palindrome (39944993).

The spelling of 23204761 in words is "twenty-three million, two hundred four thousand, seven hundred sixty-one".