23303222121 has 16 divisors (see below), whose sum is σ = 31241134080. Its totient is φ = 15450504720.

The previous prime is 23303222101. The next prime is 23303222143. The reversal of 23303222121 is 12122230332.

It is a happy number.

It is not a de Polignac number, because 23303222121 - 2⁹ = 23303221609 is a prime.

It is a super-2 number, since 2×23303222121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23303222101) 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, 898096 + ... + 923678.

It is an arithmetic number, because the mean of its divisors is an integer number (1952570880).

Almost surely, 2^23303222121 is an apocalyptic number.

It is an amenable number.

23303222121 is a deficient number, since it is larger than the sum of its proper divisors (7937911959).

23303222121 is a wasteful number, since it uses less digits than its factorization.

23303222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27236.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 23303222121 its reverse (12122230332), we get a palindrome (35425452453).

The spelling of 23303222121 in words is "twenty-three billion, three hundred three million, two hundred twenty-two thousand, one hundred twenty-one".