23313251 has 8 divisors (see below), whose sum is σ = 25154640. Its totient is φ = 21478752.

The previous prime is 23313211. The next prime is 23313259. The reversal of 23313251 is 15231332.

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

It is a cyclic number.

It is not a de Polignac number, because 23313251 - 2¹⁰ = 23312227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23313259) 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, 6965 + ... + 9753.

It is an arithmetic number, because the mean of its divisors is an integer number (3144330).

Almost surely, 2^23313251 is an apocalyptic number.

23313251 is a deficient number, since it is larger than the sum of its proper divisors (1841389).

23313251 is a wasteful number, since it uses less digits than its factorization.

23313251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3445.

The product of its digits is 540, while the sum is 20.

The square root of 23313251 is about 4828.3797489427. The cubic root of 23313251 is about 285.6719591228.

Adding to 23313251 its reverse (15231332), we get a palindrome (38544583).

The spelling of 23313251 in words is "twenty-three million, three hundred thirteen thousand, two hundred fifty-one".