23331472 has 20 divisors (see below), whose sum is σ = 45471420. Its totient is φ = 11596928.

The previous prime is 23331461. The next prime is 23331541. The reversal of 23331472 is 27413332.

It can be written as a sum of positive squares in 2 ways, for example, as 12988816 + 10342656 = 3604^2 + 3216^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1447 + ... + 6982.

It is an arithmetic number, because the mean of its divisors is an integer number (2273571).

Almost surely, 2^23331472 is an apocalyptic number.

It is an amenable number.

23331472 is a deficient number, since it is larger than the sum of its proper divisors (22139948).

23331472 is a wasteful number, since it uses less digits than its factorization.

23331472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8610 (or 8604 counting only the distinct ones).

The product of its digits is 3024, while the sum is 25.

The square root of 23331472 is about 4830.2662452498. The cubic root of 23331472 is about 285.7463642078.

The spelling of 23331472 in words is "twenty-three million, three hundred thirty-one thousand, four hundred seventy-two".