23842853689 has 2 divisors, whose sum is σ = 23842853690. Its totient is φ = 23842853688.

The previous prime is 23842853681. The next prime is 23842853717. The reversal of 23842853689 is 98635824832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19668660025 + 4174193664 = 140245^2 + 64608^2 .

It is a cyclic number.

It is not a de Polignac number, because 23842853689 - 2³ = 23842853681 is a prime.

It is not a weakly prime, because it can be changed into another prime (23842853681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11921426844 + 11921426845.

It is an arithmetic number, because the mean of its divisors is an integer number (11921426845).

Almost surely, 2^23842853689 is an apocalyptic number.

It is an amenable number.

23842853689 is a deficient number, since it is larger than the sum of its proper divisors (1).

23842853689 is an equidigital number, since it uses as much as digits as its factorization.

23842853689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 58.

The spelling of 23842853689 in words is "twenty-three billion, eight hundred forty-two million, eight hundred fifty-three thousand, six hundred eighty-nine".