30123003243 has 16 divisors (see below), whose sum is σ = 41118912000. Its totient is φ = 19609117920.

The previous prime is 30123003223. The next prime is 30123003247. The reversal of 30123003243 is 34230032103.

It is not a de Polignac number, because 30123003243 - 2⁶ = 30123003179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30123003247) 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, 544723 + ... + 597468.

It is an arithmetic number, because the mean of its divisors is an integer number (2569932000).

Almost surely, 2^30123003243 is an apocalyptic number.

30123003243 is a deficient number, since it is larger than the sum of its proper divisors (10995908757).

30123003243 is a wasteful number, since it uses less digits than its factorization.

30123003243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142402.

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 30123003243 its reverse (34230032103), we get a palindrome (64353035346).

The spelling of 30123003243 in words is "thirty billion, one hundred twenty-three million, three thousand, two hundred forty-three".