23223115 has 4 divisors (see below), whose sum is σ = 27867744. Its totient is φ = 18578488.

The previous prime is 23223107. The next prime is 23223143. The reversal of 23223115 is 51132232.

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 23223115 - 2³ = 23223107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23223092 and 23223101.

It is an unprimeable number.

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, 2322307 + ... + 2322316.

It is an arithmetic number, because the mean of its divisors is an integer number (6966936).

Almost surely, 2^23223115 is an apocalyptic number.

23223115 is a deficient number, since it is larger than the sum of its proper divisors (4644629).

23223115 is an equidigital number, since it uses as much as digits as its factorization.

23223115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4644628.

The product of its digits is 360, while the sum is 19.

The square root of 23223115 is about 4819.0367294720. The cubic root of 23223115 is about 285.3033192158.

Adding to 23223115 its reverse (51132232), we get a palindrome (74355347).

The spelling of 23223115 in words is "twenty-three million, two hundred twenty-three thousand, one hundred fifteen".