30042550523 has 16 divisors (see below), whose sum is σ = 31316812800. Its totient is φ = 28788467040.

The previous prime is 30042550507. The next prime is 30042550529. The reversal of 30042550523 is 32505524003.

It is a cyclic number.

It is not a de Polignac number, because 30042550523 - 2⁴ = 30042550507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30042550529) 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, 1667240 + ... + 1685162.

It is an arithmetic number, because the mean of its divisors is an integer number (1957300800).

Almost surely, 2^30042550523 is an apocalyptic number.

30042550523 is a deficient number, since it is larger than the sum of its proper divisors (1274262277).

30042550523 is a wasteful number, since it uses less digits than its factorization.

30042550523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18482.

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 30042550523 in words is "thirty billion, forty-two million, five hundred fifty thousand, five hundred twenty-three".