30529223 has 2 divisors, whose sum is σ = 30529224. Its totient is φ = 30529222.

The previous prime is 30529207. The next prime is 30529231. The reversal of 30529223 is 32292503.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30529223 - 2⁴ = 30529207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30529192 and 30529201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30529253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15264611 + 15264612.

It is an arithmetic number, because the mean of its divisors is an integer number (15264612).

Almost surely, 2^30529223 is an apocalyptic number.

30529223 is a deficient number, since it is larger than the sum of its proper divisors (1).

30529223 is an equidigital number, since it uses as much as digits as its factorization.

30529223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30529223 is about 5525.3256012655. The cubic root of 30529223 is about 312.5397427854.

The spelling of 30529223 in words is "thirty million, five hundred twenty-nine thousand, two hundred twenty-three".