234455689 has 4 divisors (see below), whose sum is σ = 252490756. Its totient is φ = 216420624.

The previous prime is 234455597. The next prime is 234455699. The reversal of 234455689 is 986554432.

234455689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 45118089 + 189337600 = 6717^2 + 13760^2 .

It is a cyclic number.

It is not a de Polignac number, because 234455689 - 2¹³ = 234447497 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (234455699) 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, 9017514 + ... + 9017539.

It is an arithmetic number, because the mean of its divisors is an integer number (63122689).

Almost surely, 2^234455689 is an apocalyptic number.

It is an amenable number.

234455689 is a deficient number, since it is larger than the sum of its proper divisors (18035067).

234455689 is a wasteful number, since it uses less digits than its factorization.

234455689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18035066.

The product of its digits is 1036800, while the sum is 46.

The square root of 234455689 is about 15311.9459573236. The cubic root of 234455689 is about 616.6237646641.

It can be divided in two parts, 23445568 and 9, that multiplied together give a palindrome (211010112).

The spelling of 234455689 in words is "two hundred thirty-four million, four hundred fifty-five thousand, six hundred eighty-nine".