23281234 has 8 divisors (see below), whose sum is σ = 34944588. Its totient is φ = 11633040.

The previous prime is 23281231. The next prime is 23281241. The reversal of 23281234 is 43218232.

It can be written as a sum of positive squares in 2 ways, for example, as 21022225 + 2259009 = 4585^2 + 1503^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 23281199 and 23281208.

It is not an unprimeable number, because it can be changed into a prime (23281231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564 + ... + 7000.

Almost surely, 2^23281234 is an apocalyptic number.

23281234 is a deficient number, since it is larger than the sum of its proper divisors (11663354).

23281234 is a wasteful number, since it uses less digits than its factorization.

23281234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580.

The product of its digits is 2304, while the sum is 25.

The square root of 23281234 is about 4825.0631083956. The cubic root of 23281234 is about 285.5411243838.

Adding to 23281234 its reverse (43218232), we get a palindrome (66499466).

The spelling of 23281234 in words is "twenty-three million, two hundred eighty-one thousand, two hundred thirty-four".