30523654121 has 2 divisors, whose sum is σ = 30523654122. Its totient is φ = 30523654120.

The previous prime is 30523654099. The next prime is 30523654163. The reversal of 30523654121 is 12145632503.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15709112896 + 14814541225 = 125336^2 + 121715^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523654121 - 2¹⁴ = 30523637737 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (30523654181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261827060 + 15261827061.

It is an arithmetic number, because the mean of its divisors is an integer number (15261827061).

Almost surely, 2^30523654121 is an apocalyptic number.

It is an amenable number.

30523654121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523654121 is an equidigital number, since it uses as much as digits as its factorization.

30523654121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 30523654121 in words is "thirty billion, five hundred twenty-three million, six hundred fifty-four thousand, one hundred twenty-one".