30423121011 has 24 divisors (see below), whose sum is σ = 44658778320. Its totient is φ = 19953210816.

The previous prime is 30423121007. The next prime is 30423121019. The reversal of 30423121011 is 11012132403.

30423121011 is a `hidden beast` number, since 30 + 423 + 1 + 210 + 1 + 1 = 666.

It is not a de Polignac number, because 30423121011 - 2² = 30423121007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30423121019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433485 + ... + 498753.

It is an arithmetic number, because the mean of its divisors is an integer number (1860782430).

Almost surely, 2^30423121011 is an apocalyptic number.

30423121011 is a deficient number, since it is larger than the sum of its proper divisors (14235657309).

30423121011 is a wasteful number, since it uses less digits than its factorization.

30423121011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66115 (or 66112 counting only the distinct ones).

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

Adding to 30423121011 its reverse (11012132403), we get a palindrome (41435253414).

The spelling of 30423121011 in words is "thirty billion, four hundred twenty-three million, one hundred twenty-one thousand, eleven".