30123253229 has 2 divisors, whose sum is σ = 30123253230. Its totient is φ = 30123253228.

The previous prime is 30123253187. The next prime is 30123253267. The reversal of 30123253229 is 92235232103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29387216329 + 736036900 = 171427^2 + 27130^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123253229 - 2¹⁶ = 30123187693 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123253195 and 30123253204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123253289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061626614 + 15061626615.

It is an arithmetic number, because the mean of its divisors is an integer number (15061626615).

Almost surely, 2^30123253229 is an apocalyptic number.

It is an amenable number.

30123253229 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123253229 is an equidigital number, since it uses as much as digits as its factorization.

30123253229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 32.

The spelling of 30123253229 in words is "thirty billion, one hundred twenty-three million, two hundred fifty-three thousand, two hundred twenty-nine".