30423125121 has 16 divisors (see below), whose sum is σ = 40727641920. Its totient is φ = 20200504320.

The previous prime is 30423125111. The next prime is 30423125153. The reversal of 30423125121 is 12152132403.

It is not a de Polignac number, because 30423125121 - 2⁹ = 30423124609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30423125091 and 30423125100.

It is not an unprimeable number, because it can be changed into a prime (30423125111) 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, 769681 + ... + 808241.

It is an arithmetic number, because the mean of its divisors is an integer number (2545477620).

Almost surely, 2^30423125121 is an apocalyptic number.

It is an amenable number.

30423125121 is a deficient number, since it is larger than the sum of its proper divisors (10304516799).

30423125121 is a wasteful number, since it uses less digits than its factorization.

30423125121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39616.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 30423125121 its reverse (12152132403), we get a palindrome (42575257524).

The spelling of 30423125121 in words is "thirty billion, four hundred twenty-three million, one hundred twenty-five thousand, one hundred twenty-one".