23044409 has 2 divisors, whose sum is σ = 23044410. Its totient is φ = 23044408.

The previous prime is 23044391. The next prime is 23044447. The reversal of 23044409 is 90444032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13875625 + 9168784 = 3725^2 + 3028^2 .

It is a cyclic number.

It is not a de Polignac number, because 23044409 - 2²⁴ = 6267193 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (23044309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11522204 + 11522205.

It is an arithmetic number, because the mean of its divisors is an integer number (11522205).

Almost surely, 2^23044409 is an apocalyptic number.

It is an amenable number.

23044409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23044409 is an equidigital number, since it uses as much as digits as its factorization.

23044409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 23044409 is about 4800.4592488636. The cubic root of 23044409 is about 284.5696140610.

The spelling of 23044409 in words is "twenty-three million, forty-four thousand, four hundred nine".