23896285643 has 4 divisors (see below), whose sum is σ = 24935254608. Its totient is φ = 22857316680.

The previous prime is 23896285631. The next prime is 23896285649. The reversal of 23896285643 is 34658269832.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 23896285643 - 2⁴ = 23896285627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23896285649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519484448 + ... + 519484493.

It is an arithmetic number, because the mean of its divisors is an integer number (6233813652).

Almost surely, 2^23896285643 is an apocalyptic number.

23896285643 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

23896285643 is a deficient number, since it is larger than the sum of its proper divisors (1038968965).

23896285643 is a wasteful number, since it uses less digits than its factorization.

23896285643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038968964.

The product of its digits is 14929920, while the sum is 56.

The spelling of 23896285643 in words is "twenty-three billion, eight hundred ninety-six million, two hundred eighty-five thousand, six hundred forty-three".