23943541 has 2 divisors, whose sum is σ = 23943542. Its totient is φ = 23943540.

The previous prime is 23943523. The next prime is 23943571. The reversal of 23943541 is 14534932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14853316 + 9090225 = 3854^2 + 3015^2 .

It is a cyclic number.

It is not a de Polignac number, because 23943541 - 2¹¹ = 23941493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23943511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11971770 + 11971771.

It is an arithmetic number, because the mean of its divisors is an integer number (11971771).

Almost surely, 2^23943541 is an apocalyptic number.

It is an amenable number.

23943541 is a deficient number, since it is larger than the sum of its proper divisors (1).

23943541 is an equidigital number, since it uses as much as digits as its factorization.

23943541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 31.

The square root of 23943541 is about 4893.2137701106. The cubic root of 23943541 is about 288.2235476614.

The spelling of 23943541 in words is "twenty-three million, nine hundred forty-three thousand, five hundred forty-one".