23261449 has 2 divisors, whose sum is σ = 23261450. Its totient is φ = 23261448.

The previous prime is 23261437. The next prime is 23261467. The reversal of 23261449 is 94416232.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19079424 + 4182025 = 4368^2 + 2045^2 .

It is a cyclic number.

It is not a de Polignac number, because 23261449 - 2¹⁷ = 23130377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 23261449.

It is not a weakly prime, because it can be changed into another prime (23261429) 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, 11630724 + 11630725.

It is an arithmetic number, because the mean of its divisors is an integer number (11630725).

Almost surely, 2^23261449 is an apocalyptic number.

It is an amenable number.

23261449 is a deficient number, since it is larger than the sum of its proper divisors (1).

23261449 is an equidigital number, since it uses as much as digits as its factorization.

23261449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 23261449 is about 4823.0124403738. The cubic root of 23261449 is about 285.4602146942.

The spelling of 23261449 in words is "twenty-three million, two hundred sixty-one thousand, four hundred forty-nine".