30429923 has 2 divisors, whose sum is σ = 30429924. Its totient is φ = 30429922.

The previous prime is 30429877. The next prime is 30430013. The reversal of 30429923 is 32992403.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30429923 - 2¹⁶ = 30364387 is a prime.

It is equal to p_1882913 and since 30429923 and 1882913 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30429923.

It is not a weakly prime, because it can be changed into another prime (30429523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15214961 + 15214962.

It is an arithmetic number, because the mean of its divisors is an integer number (15214962).

Almost surely, 2^30429923 is an apocalyptic number.

30429923 is a deficient number, since it is larger than the sum of its proper divisors (1).

30429923 is an equidigital number, since it uses as much as digits as its factorization.

30429923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 30429923 is about 5516.3323866497. The cubic root of 30429923 is about 312.2005169233.

The spelling of 30429923 in words is "thirty million, four hundred twenty-nine thousand, nine hundred twenty-three".