23033033121 has 16 divisors (see below), whose sum is σ = 35102563200. Its totient is φ = 13160005248.

The previous prime is 23033033113. The next prime is 23033033131. The reversal of 23033033121 is 12133033032.

It is not a de Polignac number, because 23033033121 - 2³ = 23033033113 is a prime.

It is a super-2 number, since 2×23033033121² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (23033033131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101485 + ... + 237413.

It is an arithmetic number, because the mean of its divisors is an integer number (2193910200).

Almost surely, 2^23033033121 is an apocalyptic number.

23033033121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23033033121 is a deficient number, since it is larger than the sum of its proper divisors (12069530079).

23033033121 is a wasteful number, since it uses less digits than its factorization.

23033033121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144008.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23033033121 its reverse (12133033032), we get a palindrome (35166066153).

The spelling of 23033033121 in words is "twenty-three billion, thirty-three million, thirty-three thousand, one hundred twenty-one".