23393830 has 16 divisors (see below), whose sum is σ = 42209280. Its totient is φ = 9335232.

The previous prime is 23393813. The next prime is 23393831. The reversal of 23393830 is 3839332.

It is a junction number, because it is equal to n+sod(n) for n = 23393792 and 23393801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23393831) 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 7 ways as a sum of consecutive naturals, for example, 2011 + ... + 7129.

It is an arithmetic number, because the mean of its divisors is an integer number (2638080).

Almost surely, 2^23393830 is an apocalyptic number.

23393830 is a deficient number, since it is larger than the sum of its proper divisors (18815450).

23393830 is a wasteful number, since it uses less digits than its factorization.

23393830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5583.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 23393830 is about 4836.7168616738. The cubic root of 23393830 is about 286.0007090794. Note that the first 3 decimals are identical.

The spelling of 23393830 in words is "twenty-three million, three hundred ninety-three thousand, eight hundred thirty".