30423042124 has 24 divisors (see below), whose sum is σ = 53494217280. Its totient is φ = 15139029456.

The previous prime is 30423042109. The next prime is 30423042157. The reversal of 30423042124 is 42124032403.

It is a happy number.

It is a super-2 number, since 2×30423042124² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863239 + ... + 3871105.

It is an arithmetic number, because the mean of its divisors is an integer number (2228925720).

Almost surely, 2^30423042124 is an apocalyptic number.

It is an amenable number.

30423042124 is a deficient number, since it is larger than the sum of its proper divisors (23071175156).

30423042124 is a wasteful number, since it uses less digits than its factorization.

30423042124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357 (or 12355 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 30423042124 its reverse (42124032403), we get a palindrome (72547074527).

The spelling of 30423042124 in words is "thirty billion, four hundred twenty-three million, forty-two thousand, one hundred twenty-four".