23122310121 has 12 divisors (see below), whose sum is σ = 33450047748. Its totient is φ = 15391263264.

The previous prime is 23122310117. The next prime is 23122310207. The reversal of 23122310121 is 12101322132.

23122310121 is a `hidden beast` number, since 2 + 312 + 231 + 0 + 121 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7631769600 + 15490540521 = 87360^2 + 124461^2 .

It is not a de Polignac number, because 23122310121 - 2² = 23122310117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 23122310094 and 23122310103.

It is not an unprimeable number, because it can be changed into a prime (23122310821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1961310 + ... + 1973063.

It is an arithmetic number, because the mean of its divisors is an integer number (2787503979).

Almost surely, 2^23122310121 is an apocalyptic number.

It is an amenable number.

23122310121 is a deficient number, since it is larger than the sum of its proper divisors (10327737627).

23122310121 is a wasteful number, since it uses less digits than its factorization.

23122310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3935032 (or 3935029 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23122310121 its reverse (12101322132), we get a palindrome (35223632253).

The spelling of 23122310121 in words is "twenty-three billion, one hundred twenty-two million, three hundred ten thousand, one hundred twenty-one".