30123004445 has 16 divisors (see below), whose sum is σ = 36751158192. Its totient is φ = 23696271360.

The previous prime is 30123004433. The next prime is 30123004489. The reversal of 30123004445 is 54440032103.

It can be written as a sum of positive squares in 8 ways, for example, as 314636644 + 29808367801 = 17738^2 + 172651^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30123004445 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1162349 + ... + 1187981.

It is an arithmetic number, because the mean of its divisors is an integer number (2296947387).

Almost surely, 2^30123004445 is an apocalyptic number.

It is an amenable number.

30123004445 is a deficient number, since it is larger than the sum of its proper divisors (6628153747).

30123004445 is a wasteful number, since it uses less digits than its factorization.

30123004445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29552.

The product of its (nonzero) digits is 5760, while the sum is 26.

Adding to 30123004445 its reverse (54440032103), we get a palindrome (84563036548).

The spelling of 30123004445 in words is "thirty billion, one hundred twenty-three million, four thousand, four hundred forty-five".