15030123030 has 96 divisors (see below), whose sum is σ = 43914177216. Its totient is φ = 3538858752.

The previous prime is 15030123029. The next prime is 15030123037. The reversal of 15030123030 is 3032103051.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 15030122994 and 15030123012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15030123037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252357 + ... + 306176.

It is an arithmetic number, because the mean of its divisors is an integer number (457439346).

Almost surely, 2^15030123030 is an apocalyptic number.

15030123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15030123030 is an abundant number, since it is smaller than the sum of its proper divisors (28884054186).

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

15030123030 is a wasteful number, since it uses less digits than its factorization.

15030123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558582 (or 558579 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

Adding to 15030123030 its reverse (3032103051), we get a palindrome (18062226081).

The spelling of 15030123030 in words is "fifteen billion, thirty million, one hundred twenty-three thousand, thirty".