23133033420 has 48 divisors (see below), whose sum is σ = 74025708288. Its totient is φ = 5287550400.

The previous prime is 23133033419. The next prime is 23133033431. The reversal of 23133033420 is 2433033132.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27538906 + ... + 27539745.

It is an arithmetic number, because the mean of its divisors is an integer number (1542202256).

Almost surely, 2^23133033420 is an apocalyptic number.

23133033420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133033420 is an abundant number, since it is smaller than the sum of its proper divisors (50892674868).

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

23133033420 is a wasteful number, since it uses less digits than its factorization.

23133033420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55078670 (or 55078668 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 23133033420 its reverse (2433033132), we get a palindrome (25566066552).

The spelling of 23133033420 in words is "twenty-three billion, one hundred thirty-three million, thirty-three thousand, four hundred twenty".