30123150255 has 144 divisors (see below), whose sum is σ = 63414187200. Its totient is φ = 13147453440.

The previous prime is 30123150247. The next prime is 30123150257. The reversal of 30123150255 is 55205132103.

It is a happy number.

30123150255 is a `hidden beast` number, since 30 + 123 + 1 + 502 + 5 + 5 = 666.

It is not a de Polignac number, because 30123150255 - 2³ = 30123150247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123150257) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 2121921 + ... + 2136069.

It is an arithmetic number, because the mean of its divisors is an integer number (440376300).

Almost surely, 2^30123150255 is an apocalyptic number.

30123150255 is an abundant number, since it is smaller than the sum of its proper divisors (33291036945).

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

30123150255 is a wasteful number, since it uses less digits than its factorization.

30123150255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14222 (or 14208 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

Adding to 30123150255 its reverse (55205132103), we get a palindrome (85328282358).

The spelling of 30123150255 in words is "thirty billion, one hundred twenty-three million, one hundred fifty thousand, two hundred fifty-five".