23939236 has 12 divisors (see below), whose sum is σ = 41928012. Its totient is φ = 11959808.

The previous prime is 23939189. The next prime is 23939249. The reversal of 23939236 is 63293932.

It can be written as a sum of positive squares in 2 ways, for example, as 12916836 + 11022400 = 3594^2 + 3320^2 .

It is a junction number, because it is equal to n+sod(n) for n = 23939195 and 23939204.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7776 + ... + 10408.

It is an arithmetic number, because the mean of its divisors is an integer number (3494001).

Almost surely, 2^23939236 is an apocalyptic number.

It is an amenable number.

23939236 is a deficient number, since it is larger than the sum of its proper divisors (17988776).

23939236 is a wasteful number, since it uses less digits than its factorization.

23939236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910 (or 4908 counting only the distinct ones).

The product of its digits is 52488, while the sum is 37.

The square root of 23939236 is about 4892.7738553912. The cubic root of 23939236 is about 288.2062726233.

The spelling of 23939236 in words is "twenty-three million, nine hundred thirty-nine thousand, two hundred thirty-six".