23213582 has 16 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 9736728.

The previous prime is 23213581. The next prime is 23213591. The reversal of 23213582 is 28531232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23213581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16982 + ... + 18297.

It is an arithmetic number, because the mean of its divisors is an integer number (2540160).

Almost surely, 2^23213582 is an apocalyptic number.

23213582 is a deficient number, since it is larger than the sum of its proper divisors (17428978).

23213582 is a wasteful number, since it uses less digits than its factorization.

23213582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35335.

The product of its digits is 2880, while the sum is 26.

The square root of 23213582 is about 4818.0475298610. The cubic root of 23213582 is about 285.2642752320.

The spelling of 23213582 in words is "twenty-three million, two hundred thirteen thousand, five hundred eighty-two".