23842249 has 2 divisors, whose sum is σ = 23842250. Its totient is φ = 23842248.

The previous prime is 23842241. The next prime is 23842303. The reversal of 23842249 is 94224832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20866624 + 2975625 = 4568^2 + 1725^2 .

It is a cyclic number.

It is not a de Polignac number, because 23842249 - 2³ = 23842241 is a prime.

It is not a weakly prime, because it can be changed into another prime (23842241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11921124 + 11921125.

It is an arithmetic number, because the mean of its divisors is an integer number (11921125).

Almost surely, 2^23842249 is an apocalyptic number.

It is an amenable number.

23842249 is a deficient number, since it is larger than the sum of its proper divisors (1).

23842249 is an equidigital number, since it uses as much as digits as its factorization.

23842249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 23842249 is about 4882.8525474358. The cubic root of 23842249 is about 287.8165345466.

The spelling of 23842249 in words is "twenty-three million, eight hundred forty-two thousand, two hundred forty-nine".