23874028889 has 2 divisors, whose sum is σ = 23874028890. Its totient is φ = 23874028888.

The previous prime is 23874028883. The next prime is 23874028909. The reversal of 23874028889 is 98882047832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20725921225 + 3148107664 = 143965^2 + 56108^2 .

It is a cyclic number.

It is not a de Polignac number, because 23874028889 - 2¹² = 23874024793 is a prime.

It is not a weakly prime, because it can be changed into another prime (23874028883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11937014444 + 11937014445.

It is an arithmetic number, because the mean of its divisors is an integer number (11937014445).

Almost surely, 2^23874028889 is an apocalyptic number.

It is an amenable number.

23874028889 is a deficient number, since it is larger than the sum of its proper divisors (1).

23874028889 is an equidigital number, since it uses as much as digits as its factorization.

23874028889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 23874028889 in words is "twenty-three billion, eight hundred seventy-four million, twenty-eight thousand, eight hundred eighty-nine".