30243123243 has 12 divisors (see below), whose sum is σ = 43698693480. Its totient is φ = 20155536576.

The previous prime is 30243123241. The next prime is 30243123247. The reversal of 30243123243 is 34232134203.

30243123243 is a `hidden beast` number, since 3 + 0 + 24 + 312 + 324 + 3 = 666.

It is not a de Polignac number, because 30243123243 - 2¹ = 30243123241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30243123241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516121 + ... + 571722.

It is an arithmetic number, because the mean of its divisors is an integer number (3641557790).

Almost surely, 2^30243123243 is an apocalyptic number.

30243123243 is a deficient number, since it is larger than the sum of its proper divisors (13455570237).

30243123243 is a wasteful number, since it uses less digits than its factorization.

30243123243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090938 (or 1090935 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 30243123243 its reverse (34232134203), we get a palindrome (64475257446).

The spelling of 30243123243 in words is "thirty billion, two hundred forty-three million, one hundred twenty-three thousand, two hundred forty-three".