23241643 has 2 divisors, whose sum is σ = 23241644. Its totient is φ = 23241642.

The previous prime is 23241553. The next prime is 23241653. The reversal of 23241643 is 34614232.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23241643 is a prime.

It is not a weakly prime, because it can be changed into another prime (23241653) 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, 11620821 + 11620822.

It is an arithmetic number, because the mean of its divisors is an integer number (11620822).

Almost surely, 2^23241643 is an apocalyptic number.

23241643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23241643 is an equidigital number, since it uses as much as digits as its factorization.

23241643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 23241643 is about 4820.9587220801. The cubic root of 23241643 is about 285.3791731617.

Adding to 23241643 its reverse (34614232), we get a palindrome (57855875).

The spelling of 23241643 in words is "twenty-three million, two hundred forty-one thousand, six hundred forty-three".