30103233031123 has 4 divisors (see below), whose sum is σ = 34403694892720. Its totient is φ = 25802771169528.

The previous prime is 30103233031073. The next prime is 30103233031127. The reversal of 30103233031123 is 32113033230103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30103233031123 is a prime.

It is a super-2 number, since 2×30103233031123² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30103233031127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150230930788 + ... + 2150230930801.

It is an arithmetic number, because the mean of its divisors is an integer number (8600923723180).

Almost surely, 2^{30103233031123} is an apocalyptic number.

30103233031123 is a deficient number, since it is larger than the sum of its proper divisors (4300461861597).

30103233031123 is an equidigital number, since it uses as much as digits as its factorization.

30103233031123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300461861596.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30103233031123 its reverse (32113033230103), we get a palindrome (62216266261226).

The spelling of 30103233031123 in words is "thirty trillion, one hundred three billion, two hundred thirty-three million, thirty-one thousand, one hundred twenty-three".