30000123061 has 2 divisors, whose sum is σ = 30000123062. Its totient is φ = 30000123060.

The previous prime is 30000123019. The next prime is 30000123107. The reversal of 30000123061 is 16032100003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24926410161 + 5073712900 = 157881^2 + 71230^2 .

It is a cyclic number.

It is not a de Polignac number, because 30000123061 - 2¹¹ = 30000121013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30000123001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000061530 + 15000061531.

It is an arithmetic number, because the mean of its divisors is an integer number (15000061531).

Almost surely, 2^30000123061 is an apocalyptic number.

It is an amenable number.

30000123061 is a deficient number, since it is larger than the sum of its proper divisors (1).

30000123061 is an equidigital number, since it uses as much as digits as its factorization.

30000123061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 30000123061 its reverse (16032100003), we get a palindrome (46032223064).

The spelling of 30000123061 in words is "thirty billion, one hundred twenty-three thousand, sixty-one".