23335134121 has 16 divisors (see below), whose sum is σ = 25500403600. Its totient is φ = 21224706048.

The previous prime is 23335134103. The next prime is 23335134161. The reversal of 23335134121 is 12143153332.

It can be written as a sum of positive squares in 8 ways, for example, as 714974121 + 22620160000 = 26739^2 + 150400^2 .

It is not a de Polignac number, because 23335134121 - 2⁵ = 23335134089 is a prime.

It is a super-3 number, since 3×23335134121³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23335134121.

It is not an unprimeable number, because it can be changed into a prime (23335134161) 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, 248365 + ... + 329173.

It is an arithmetic number, because the mean of its divisors is an integer number (1593775225).

Almost surely, 2^23335134121 is an apocalyptic number.

It is an amenable number.

23335134121 is a deficient number, since it is larger than the sum of its proper divisors (2165269479).

23335134121 is a wasteful number, since it uses less digits than its factorization.

23335134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81148.

The product of its digits is 6480, while the sum is 28.

Adding to 23335134121 its reverse (12143153332), we get a palindrome (35478287453).

The spelling of 23335134121 in words is "twenty-three billion, three hundred thirty-five million, one hundred thirty-four thousand, one hundred twenty-one".