23849443 has 2 divisors, whose sum is σ = 23849444. Its totient is φ = 23849442.

The previous prime is 23849429. The next prime is 23849471. The reversal of 23849443 is 34494832.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-23849443 is a prime.

It is not a weakly prime, because it can be changed into another prime (23849473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11924721 + 11924722.

It is an arithmetic number, because the mean of its divisors is an integer number (11924722).

Almost surely, 2^23849443 is an apocalyptic number.

23849443 is a deficient number, since it is larger than the sum of its proper divisors (1).

23849443 is an equidigital number, since it uses as much as digits as its factorization.

23849443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 37.

The square root of 23849443 is about 4883.5891514336. The cubic root of 23849443 is about 287.8454795780.

The spelling of 23849443 in words is "twenty-three million, eight hundred forty-nine thousand, four hundred forty-three".