23033636 has 12 divisors (see below), whose sum is σ = 41292300. Its totient is φ = 11235840.

The previous prime is 23033629. The next prime is 23033669. The reversal of 23033636 is 63633032.

It can be written as a sum of positive squares in 2 ways, for example, as 4024036 + 19009600 = 2006^2 + 4360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70061 + ... + 70388.

It is an arithmetic number, because the mean of its divisors is an integer number (3441025).

Almost surely, 2^23033636 is an apocalyptic number.

It is an amenable number.

23033636 is a deficient number, since it is larger than the sum of its proper divisors (18258664).

23033636 is a wasteful number, since it uses less digits than its factorization.

23033636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140494 (or 140492 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 26.

The square root of 23033636 is about 4799.3370375501. The cubic root of 23033636 is about 284.5252627927.

Adding to 23033636 its reverse (63633032), we get a palindrome (86666668).

The spelling of 23033636 in words is "twenty-three million, thirty-three thousand, six hundred thirty-six".