23409441 has 24 divisors (see below), whose sum is σ = 37121760. Its totient is φ = 14097600.

The previous prime is 23409437. The next prime is 23409457. The reversal of 23409441 is 14490432.

It is not a de Polignac number, because 23409441 - 2² = 23409437 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23409041) 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 in 23 ways as a sum of consecutive naturals, for example, 17061 + ... + 18381.

It is an arithmetic number, because the mean of its divisors is an integer number (1546740).

Almost surely, 2^23409441 is an apocalyptic number.

It is an amenable number.

23409441 is a deficient number, since it is larger than the sum of its proper divisors (13712319).

23409441 is a wasteful number, since it uses less digits than its factorization.

23409441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517 (or 1514 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 23409441 is about 4838.3303938446. The cubic root of 23409441 is about 286.0643122361.

Adding to 23409441 its reverse (14490432), we get a palindrome (37899873).

It can be divided in two parts, 23409 and 441, that multiplied together give a square (10323369 = 3213²).

The spelling of 23409441 in words is "twenty-three million, four hundred nine thousand, four hundred forty-one".