23442231 has 16 divisors (see below), whose sum is σ = 32394240. Its totient is φ = 15063360.

The previous prime is 23442229. The next prime is 23442241. The reversal of 23442231 is 13224432.

It is not a de Polignac number, because 23442231 - 2¹ = 23442229 is a prime.

It is a super-2 number, since 2×23442231² = 1099076388514722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23442198 and 23442207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23442241) 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, 40915 + ... + 41483.

It is an arithmetic number, because the mean of its divisors is an integer number (2024640).

Almost surely, 2^23442231 is an apocalyptic number.

23442231 is a deficient number, since it is larger than the sum of its proper divisors (8952009).

23442231 is a wasteful number, since it uses less digits than its factorization.

23442231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 1152, while the sum is 21.

The square root of 23442231 is about 4841.7177736832. The cubic root of 23442231 is about 286.1978149627.

Adding to 23442231 its reverse (13224432), we get a palindrome (36666663).

The spelling of 23442231 in words is "twenty-three million, four hundred forty-two thousand, two hundred thirty-one".