23243249 has 2 divisors, whose sum is σ = 23243250. Its totient is φ = 23243248.

The previous prime is 23243243. The next prime is 23243287. The reversal of 23243249 is 94234232.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22972849 + 270400 = 4793^2 + 520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23243249 is a prime.

It is a Chen prime.

It is equal to p_1462565 and since 23243249 and 1462565 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (23243243) 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, 11621624 + 11621625.

It is an arithmetic number, because the mean of its divisors is an integer number (11621625).

Almost surely, 2^23243249 is an apocalyptic number.

It is an amenable number.

23243249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23243249 is an equidigital number, since it uses as much as digits as its factorization.

23243249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 29.

The square root of 23243249 is about 4821.1252835827. The cubic root of 23243249 is about 285.3857462540.

The spelling of 23243249 in words is "twenty-three million, two hundred forty-three thousand, two hundred forty-nine".