234623453561 has 16 divisors (see below), whose sum is σ = 284314047360. Its totient is φ = 189130619520.

The previous prime is 234623453549. The next prime is 234623453569. The reversal of 234623453561 is 165354326432.

It is a happy number.

234623453561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-234623453561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234623453569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6420050 + ... + 6456491.

It is an arithmetic number, because the mean of its divisors is an integer number (17769627960).

Almost surely, 2^234623453561 is an apocalyptic number.

It is an amenable number.

234623453561 is a deficient number, since it is larger than the sum of its proper divisors (49690593799).

234623453561 is a wasteful number, since it uses less digits than its factorization.

234623453561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12876704.

The product of its digits is 1555200, while the sum is 44.

Adding to 234623453561 its reverse (165354326432), we get a palindrome (399977779993).

The spelling of 234623453561 in words is "two hundred thirty-four billion, six hundred twenty-three million, four hundred fifty-three thousand, five hundred sixty-one".