23744261 has 2 divisors, whose sum is σ = 23744262. Its totient is φ = 23744260.

The previous prime is 23744249. The next prime is 23744293. The reversal of 23744261 is 16244732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21436900 + 2307361 = 4630^2 + 1519^2 .

It is a cyclic number.

It is not a de Polignac number, because 23744261 - 2¹⁴ = 23727877 is a prime.

It is a super-2 number, since 2×23744261² = 1127579860872242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23744761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11872130 + 11872131.

It is an arithmetic number, because the mean of its divisors is an integer number (11872131).

Almost surely, 2^23744261 is an apocalyptic number.

It is an amenable number.

23744261 is a deficient number, since it is larger than the sum of its proper divisors (1).

23744261 is an equidigital number, since it uses as much as digits as its factorization.

23744261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 23744261 is about 4872.8083278537. The cubic root of 23744261 is about 287.4216991555.

Adding to 23744261 its reverse (16244732), we get a palindrome (39988993).

The spelling of 23744261 in words is "twenty-three million, seven hundred forty-four thousand, two hundred sixty-one".