23133311020 has 24 divisors (see below), whose sum is σ = 50255125200. Its totient is φ = 8934244032.

The previous prime is 23133310979. The next prime is 23133311021. The reversal of 23133311020 is 2011333132.

It is not an unprimeable number, because it can be changed into a prime (23133311021) 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, 19941930 + ... + 19943089.

It is an arithmetic number, because the mean of its divisors is an integer number (2093963550).

Almost surely, 2^23133311020 is an apocalyptic number.

23133311020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23133311020 is an abundant number, since it is smaller than the sum of its proper divisors (27121814180).

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

23133311020 is a wasteful number, since it uses less digits than its factorization.

23133311020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39885057 (or 39885055 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 23133311020 its reverse (2011333132), we get a palindrome (25144644152).

It can be divided in two parts, 23133 and 311020, that added together give a triangular number (334153 = T₈₁₇).

The spelling of 23133311020 in words is "twenty-three billion, one hundred thirty-three million, three hundred eleven thousand, twenty".