30230123133 has 16 divisors (see below), whose sum is σ = 46619951616. Its totient is φ = 17066230320.

The previous prime is 30230123113. The next prime is 30230123137. The reversal of 30230123133 is 33132103203.

It is not a de Polignac number, because 30230123133 - 2¹⁷ = 30229992061 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230123137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8670123 + ... + 8673608.

It is an arithmetic number, because the mean of its divisors is an integer number (2913746976).

Almost surely, 2^30230123133 is an apocalyptic number.

It is an amenable number.

30230123133 is a deficient number, since it is larger than the sum of its proper divisors (16389828483).

30230123133 is a wasteful number, since it uses less digits than its factorization.

30230123133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17343824.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 30230123133 its reverse (33132103203), we get a palindrome (63362226336).

The spelling of 30230123133 in words is "thirty billion, two hundred thirty million, one hundred twenty-three thousand, one hundred thirty-three".