23104409 has 2 divisors, whose sum is σ = 23104410. Its totient is φ = 23104408.

The previous prime is 23104381. The next prime is 23104423. The reversal of 23104409 is 90440132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23088025 + 16384 = 4805^2 + 128^2 .

It is a cyclic number.

It is not a de Polignac number, because 23104409 - 2¹² = 23100313 is a prime.

It is not a weakly prime, because it can be changed into another prime (23104439) 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, 11552204 + 11552205.

It is an arithmetic number, because the mean of its divisors is an integer number (11552205).

Almost surely, 2^23104409 is an apocalyptic number.

It is an amenable number.

23104409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23104409 is an equidigital number, since it uses as much as digits as its factorization.

23104409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 23104409 is about 4806.7045883849. The cubic root of 23104409 is about 284.8163749961.

The spelling of 23104409 in words is "twenty-three million, one hundred four thousand, four hundred nine".