23113331 has 4 divisors (see below), whose sum is σ = 23605152. Its totient is φ = 22621512.

The previous prime is 23113313. The next prime is 23113357. The reversal of 23113331 is 13331132.

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

It is a cyclic number.

It is not a de Polignac number, because 23113331 - 2¹⁴ = 23096947 is a prime.

It is a super-2 number, since 2×23113331² = 1068452139831122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23115331) 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, 245840 + ... + 245933.

It is an arithmetic number, because the mean of its divisors is an integer number (5901288).

Almost surely, 2^23113331 is an apocalyptic number.

23113331 is a deficient number, since it is larger than the sum of its proper divisors (491821).

23113331 is an equidigital number, since it uses as much as digits as its factorization.

23113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491820.

The product of its digits is 162, while the sum is 17.

The square root of 23113331 is about 4807.6325774751. The cubic root of 23113331 is about 284.8530318477.

Adding to 23113331 its reverse (13331132), we get a palindrome (36444463).

The spelling of 23113331 in words is "twenty-three million, one hundred thirteen thousand, three hundred thirty-one".