30123133554 has 16 divisors (see below), whose sum is σ = 60255391680. Its totient is φ = 10039523760.

The previous prime is 30123133553. The next prime is 30123133559. The reversal of 30123133554 is 45533132103.

It is a super-2 number, since 2×30123133554² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30123133553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336894 + ... + 416825.

It is an arithmetic number, because the mean of its divisors is an integer number (3765961980).

Almost surely, 2^30123133554 is an apocalyptic number.

30123133554 is an abundant number, since it is smaller than the sum of its proper divisors (30132258126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30123133554 is a wasteful number, since it uses less digits than its factorization.

30123133554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760385.

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 30123133554 its reverse (45533132103), we get a palindrome (75656265657).

The spelling of 30123133554 in words is "thirty billion, one hundred twenty-three million, one hundred thirty-three thousand, five hundred fifty-four".