52023430121 has 4 divisors (see below), whose sum is σ = 56025232452. Its totient is φ = 48021627792.

The previous prime is 52023430099. The next prime is 52023430157. The reversal of 52023430121 is 12103432025.

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 14146485721 + 37876944400 = 118939^2 + 194620^2 .

It is a cyclic number.

It is not a de Polignac number, because 52023430121 - 2²⁶ = 51956321257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52023430181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2000901146 + ... + 2000901171.

It is an arithmetic number, because the mean of its divisors is an integer number (14006308113).

Almost surely, 2^52023430121 is an apocalyptic number.

It is an amenable number.

52023430121 is a deficient number, since it is larger than the sum of its proper divisors (4001802331).

52023430121 is a wasteful number, since it uses less digits than its factorization.

52023430121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4001802330.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 52023430121 its reverse (12103432025), we get a palindrome (64126862146).

The spelling of 52023430121 in words is "fifty-two billion, twenty-three million, four hundred thirty thousand, one hundred twenty-one".