23081236 has 24 divisors (see below), whose sum is σ = 43513344. Its totient is φ = 10681440.

The previous prime is 23081209. The next prime is 23081249. The reversal of 23081236 is 63218032.

It is a self number, because there is not a number n which added to its sum of digits gives 23081236.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195 + ... + 6898.

It is an arithmetic number, because the mean of its divisors is an integer number (1813056).

Almost surely, 2^23081236 is an apocalyptic number.

It is an amenable number.

23081236 is a deficient number, since it is larger than the sum of its proper divisors (20432108).

23081236 is a wasteful number, since it uses less digits than its factorization.

23081236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151 (or 8149 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 23081236 is about 4804.2934964467. The cubic root of 23081236 is about 284.7211225036.

Adding to 23081236 its reverse (63218032), we get a palindrome (86299268).

The spelling of 23081236 in words is "twenty-three million, eighty-one thousand, two hundred thirty-six".