23466427889 has 16 divisors (see below), whose sum is σ = 24135659520. Its totient is φ = 22809047040.

The previous prime is 23466427877. The next prime is 23466427903. The reversal of 23466427889 is 98872466432.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 23466427889 - 2²⁴ = 23449650673 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (23466027889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455617 + ... + 1471649.

It is an arithmetic number, because the mean of its divisors is an integer number (1508478720).

Almost surely, 2^23466427889 is an apocalyptic number.

It is an amenable number.

23466427889 is a deficient number, since it is larger than the sum of its proper divisors (669231631).

23466427889 is a wasteful number, since it uses less digits than its factorization.

23466427889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16400.

The product of its digits is 27869184, while the sum is 59.

The spelling of 23466427889 in words is "twenty-three billion, four hundred sixty-six million, four hundred twenty-seven thousand, eight hundred eighty-nine".