23153236 has 12 divisors (see below), whose sum is σ = 40649812. Its totient is φ = 11539008.

The previous prime is 23153197. The next prime is 23153293. The reversal of 23153236 is 63235132.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3261636 + 19891600 = 1806^2 + 4460^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23153236.

It is a congruent number.

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, 7995 + ... + 10498.

Almost surely, 2^23153236 is an apocalyptic number.

It is an amenable number.

23153236 is a deficient number, since it is larger than the sum of its proper divisors (17496576).

23153236 is a wasteful number, since it uses less digits than its factorization.

23153236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18810 (or 18808 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 23153236 is about 4811.7809592707. The cubic root of 23153236 is about 285.0168698335.

Adding to 23153236 its reverse (63235132), we get a palindrome (86388368).

The spelling of 23153236 in words is "twenty-three million, one hundred fifty-three thousand, two hundred thirty-six".