23232409 has 2 divisors, whose sum is σ = 23232410. Its totient is φ = 23232408.

The previous prime is 23232403. The next prime is 23232431. The reversal of 23232409 is 90423232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23232400 + 9 = 4820^2 + 3^2 .

It is a cyclic number.

It is not a de Polignac number, because 23232409 - 2¹³ = 23224217 is a prime.

It is not a weakly prime, because it can be changed into another prime (23232403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11616204 + 11616205.

It is an arithmetic number, because the mean of its divisors is an integer number (11616205).

Almost surely, 2^23232409 is an apocalyptic number.

It is an amenable number.

23232409 is a deficient number, since it is larger than the sum of its proper divisors (1).

23232409 is an equidigital number, since it uses as much as digits as its factorization.

23232409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 23232409 is about 4820.0009336099. Note that the first 3 decimals coincide. The cubic root of 23232409 is about 285.3413740504.

The spelling of 23232409 in words is "twenty-three million, two hundred thirty-two thousand, four hundred nine".