23442331 has 8 divisors (see below), whose sum is σ = 26118144. Its totient is φ = 20857320.

The previous prime is 23442329. The next prime is 23442347. The reversal of 23442331 is 13324432.

It is a happy number.

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

It is not a de Polignac number, because 23442331 - 2¹ = 23442329 is a prime.

It is a super-2 number, since 2×23442331² = 1099085765427122, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (23442301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22155 + ... + 23188.

It is an arithmetic number, because the mean of its divisors is an integer number (3264768).

Almost surely, 2^23442331 is an apocalyptic number.

23442331 is a deficient number, since it is larger than the sum of its proper divisors (2675813).

23442331 is a wasteful number, since it uses less digits than its factorization.

23442331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45401.

The product of its digits is 1728, while the sum is 22.

The square root of 23442331 is about 4841.7281005856. The cubic root of 23442331 is about 286.1982219169.

Adding to 23442331 its reverse (13324432), we get a palindrome (36766763).

The spelling of 23442331 in words is "twenty-three million, four hundred forty-two thousand, three hundred thirty-one".