23286643 has 2 divisors, whose sum is σ = 23286644. Its totient is φ = 23286642.

The previous prime is 23286619. The next prime is 23286709. The reversal of 23286643 is 34668232.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 23286643 - 2¹⁷ = 23155571 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23286599 and 23286608.

It is not a weakly prime, because it can be changed into another prime (23286443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11643321 + 11643322.

It is an arithmetic number, because the mean of its divisors is an integer number (11643322).

Almost surely, 2^23286643 is an apocalyptic number.

23286643 is a deficient number, since it is larger than the sum of its proper divisors (1).

23286643 is an equidigital number, since it uses as much as digits as its factorization.

23286643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 34.

The square root of 23286643 is about 4825.6235866466. The cubic root of 23286643 is about 285.5632362178.

The spelling of 23286643 in words is "twenty-three million, two hundred eighty-six thousand, six hundred forty-three".