23331345 has 8 divisors (see below), whose sum is σ = 37330176. Its totient is φ = 12443376.

The previous prime is 23331281. The next prime is 23331353. The reversal of 23331345 is 54313332.

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 23331345 - 2⁶ = 23331281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777697 + ... + 777726.

It is an arithmetic number, because the mean of its divisors is an integer number (4666272).

Almost surely, 2^23331345 is an apocalyptic number.

It is an amenable number.

23331345 is a deficient number, since it is larger than the sum of its proper divisors (13998831).

23331345 is a wasteful number, since it uses less digits than its factorization.

23331345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555431.

The product of its digits is 3240, while the sum is 24.

The square root of 23331345 is about 4830.2530989587. The cubic root of 23331345 is about 285.7458457399.

Adding to 23331345 its reverse (54313332), we get a palindrome (77644677).

The spelling of 23331345 in words is "twenty-three million, three hundred thirty-one thousand, three hundred forty-five".