23733945 has 48 divisors (see below), whose sum is σ = 44622720. Its totient is φ = 11967264.

The previous prime is 23733929. The next prime is 23733959. The reversal of 23733945 is 54933732.

It is not a de Polignac number, because 23733945 - 2⁴ = 23733929 is a prime.

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 48492 + ... + 48978.

It is an arithmetic number, because the mean of its divisors is an integer number (929640).

Almost surely, 2^23733945 is an apocalyptic number.

It is an amenable number.

23733945 is a deficient number, since it is larger than the sum of its proper divisors (20888775).

23733945 is a wasteful number, since it uses less digits than its factorization.

23733945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 514 counting only the distinct ones).

The product of its digits is 68040, while the sum is 36.

The square root of 23733945 is about 4871.7496856879. The cubic root of 23733945 is about 287.3800684396.

The spelling of 23733945 in words is "twenty-three million, seven hundred thirty-three thousand, nine hundred forty-five".