30523429 has 2 divisors, whose sum is σ = 30523430. Its totient is φ = 30523428.

The previous prime is 30523403. The next prime is 30523433. The reversal of 30523429 is 92432503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28569025 + 1954404 = 5345^2 + 1398^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523429 - 2⁷ = 30523301 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30523397 and 30523406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30523439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261714 + 15261715.

It is an arithmetic number, because the mean of its divisors is an integer number (15261715).

Almost surely, 2^30523429 is an apocalyptic number.

It is an amenable number.

30523429 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523429 is an equidigital number, since it uses as much as digits as its factorization.

30523429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 30523429 is about 5524.8012633940. The cubic root of 30523429 is about 312.5199697105.

The spelling of 30523429 in words is "thirty million, five hundred twenty-three thousand, four hundred twenty-nine".