23030136 has 32 divisors (see below), whose sum is σ = 63973200. Its totient is φ = 7676640.

The previous prime is 23030131. The next prime is 23030167. The reversal of 23030136 is 63103032.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23030131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53095 + ... + 53526.

Almost surely, 2^23030136 is an apocalyptic number.

It is an amenable number.

23030136 is an abundant number, since it is smaller than the sum of its proper divisors (40943064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23030136 is a wasteful number, since it uses less digits than its factorization.

23030136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106636 (or 106626 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 23030136 is about 4798.9723900018. The cubic root of 23030136 is about 284.5108506975.

Adding to 23030136 its reverse (63103032), we get a palindrome (86133168).

The spelling of 23030136 in words is "twenty-three million, thirty thousand, one hundred thirty-six".