23020134121 has 4 divisors (see below), whose sum is σ = 23025359700. Its totient is φ = 23014908544.

The previous prime is 23020134091. The next prime is 23020134127. The reversal of 23020134121 is 12143102032.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11299690000 + 11720444121 = 106300^2 + 108261^2 .

It is a cyclic number.

It is not a de Polignac number, because 23020134121 - 2¹¹ = 23020132073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23020134127) 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, 2606176 + ... + 2614993.

It is an arithmetic number, because the mean of its divisors is an integer number (5756339925).

Almost surely, 2^23020134121 is an apocalyptic number.

It is an amenable number.

23020134121 is a deficient number, since it is larger than the sum of its proper divisors (5225579).

23020134121 is an equidigital number, since it uses as much as digits as its factorization.

23020134121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225578.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 23020134121 its reverse (12143102032), we get a palindrome (35163236153).

The spelling of 23020134121 in words is "twenty-three billion, twenty million, one hundred thirty-four thousand, one hundred twenty-one".