23133012 has 24 divisors (see below), whose sum is σ = 61688256. Its totient is φ = 6609408.

The previous prime is 23132999. The next prime is 23133031. The reversal of 23133012 is 21033132.

It is a junction number, because it is equal to n+sod(n) for n = 23132982 and 23133000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137613 + ... + 137780.

It is an arithmetic number, because the mean of its divisors is an integer number (2570344).

Almost surely, 2^23133012 is an apocalyptic number.

It is an amenable number.

23133012 is an abundant number, since it is smaller than the sum of its proper divisors (38555244).

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

23133012 is a wasteful number, since it uses less digits than its factorization.

23133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275407 (or 275405 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 23133012 is about 4809.6789913673. The cubic root of 23133012 is about 284.9338596904.

Adding to 23133012 its reverse (21033132), we get a palindrome (44166144).

The spelling of 23133012 in words is "twenty-three million, one hundred thirty-three thousand, twelve".