30232012073 has 2 divisors, whose sum is σ = 30232012074. Its totient is φ = 30232012072.

The previous prime is 30232012039. The next prime is 30232012093. The reversal of 30232012073 is 37021023203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24763113769 + 5468898304 = 157363^2 + 73952^2 .

It is a cyclic number.

It is not a de Polignac number, because 30232012073 - 2²² = 30227817769 is a prime.

It is not a weakly prime, because it can be changed into another prime (30232012003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15116006036 + 15116006037.

It is an arithmetic number, because the mean of its divisors is an integer number (15116006037).

Almost surely, 2^30232012073 is an apocalyptic number.

It is an amenable number.

30232012073 is a deficient number, since it is larger than the sum of its proper divisors (1).

30232012073 is an equidigital number, since it uses as much as digits as its factorization.

30232012073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 23.

Adding to 30232012073 its reverse (37021023203), we get a palindrome (67253035276).

The spelling of 30232012073 in words is "thirty billion, two hundred thirty-two million, twelve thousand, seventy-three".