30232122123157 has 2 divisors, whose sum is σ = 30232122123158. Its totient is φ = 30232122123156.

The previous prime is 30232122123131. The next prime is 30232122123227. The reversal of 30232122123157 is 75132122123203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17309003047281 + 12923119075876 = 4160409^2 + 3594874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30232122123157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30232122123857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116061061578 + 15116061061579.

It is an arithmetic number, because the mean of its divisors is an integer number (15116061061579).

Almost surely, 2^{30232122123157} is an apocalyptic number.

It is an amenable number.

30232122123157 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232122123157 is an equidigital number, since it uses as much as digits as its factorization.

30232122123157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 30232122123157 in words is "thirty trillion, two hundred thirty-two billion, one hundred twenty-two million, one hundred twenty-three thousand, one hundred fifty-seven".