30123430015 has 16 divisors (see below), whose sum is σ = 43486456320. Its totient is φ = 19568904480.

The previous prime is 30123430013. The next prime is 30123430037. The reversal of 30123430015 is 51003432103.

It is not a de Polignac number, because 30123430015 - 2¹ = 30123430013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123430013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22648531 + ... + 22649860.

It is an arithmetic number, because the mean of its divisors is an integer number (2717903520).

Almost surely, 2^30123430015 is an apocalyptic number.

30123430015 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30123430015 is a deficient number, since it is larger than the sum of its proper divisors (13363026305).

30123430015 is a wasteful number, since it uses less digits than its factorization.

30123430015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45298422.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 30123430015 its reverse (51003432103), we get a palindrome (81126862118).

The spelling of 30123430015 in words is "thirty billion, one hundred twenty-three million, four hundred thirty thousand, fifteen".