23840934 has 32 divisors (see below), whose sum is σ = 54055680. Its totient is φ = 6949152.

The previous prime is 23840933. The next prime is 23840939. The reversal of 23840934 is 43904832.

It is a junction number, because it is equal to n+sod(n) for n = 23840895 and 23840904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23840933) 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 15 ways as a sum of consecutive naturals, for example, 6562 + ... + 9525.

It is an arithmetic number, because the mean of its divisors is an integer number (1689240).

Almost surely, 2^23840934 is an apocalyptic number.

23840934 is an abundant number, since it is smaller than the sum of its proper divisors (30214746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23840934 is a wasteful number, since it uses less digits than its factorization.

23840934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 23840934 is about 4882.7178906834. The cubic root of 23840934 is about 287.8112430198.

The spelling of 23840934 in words is "twenty-three million, eight hundred forty thousand, nine hundred thirty-four".