23033333121 has 4 divisors (see below), whose sum is σ = 30711110832. Its totient is φ = 15355555412.

The previous prime is 23033333119. The next prime is 23033333137. The reversal of 23033333121 is 12133333032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 23033333121 - 2¹ = 23033333119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23033333091 and 23033333100.

It is not an unprimeable number, because it can be changed into a prime (23033333101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3838888851 + ... + 3838888856.

It is an arithmetic number, because the mean of its divisors is an integer number (7677777708).

Almost surely, 2^23033333121 is an apocalyptic number.

It is an amenable number.

23033333121 is a deficient number, since it is larger than the sum of its proper divisors (7677777711).

23033333121 is an equidigital number, since it uses as much as digits as its factorization.

23033333121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7677777710.

The product of its (nonzero) digits is 2916, while the sum is 24.

Adding to 23033333121 its reverse (12133333032), we get a palindrome (35166666153).

The spelling of 23033333121 in words is "twenty-three billion, thirty-three million, three hundred thirty-three thousand, one hundred twenty-one".