23313505 has 8 divisors (see below), whose sum is σ = 28007424. Its totient is φ = 18630000.

The previous prime is 23313491. The next prime is 23313509. The reversal of 23313505 is 50531332.

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 23313505 - 2⁵ = 23313473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313509) 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 7 ways as a sum of consecutive naturals, for example, 3730 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (3500928).

Almost surely, 2^23313505 is an apocalyptic number.

It is an amenable number.

23313505 is a deficient number, since it is larger than the sum of its proper divisors (4693919).

23313505 is a wasteful number, since it uses less digits than its factorization.

23313505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207.

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 23313505 is about 4828.4060516904. The cubic root of 23313505 is about 285.6729965930.

Adding to 23313505 its reverse (50531332), we get a palindrome (73844837).

The spelling of 23313505 in words is "twenty-three million, three hundred thirteen thousand, five hundred five".