30005023 has 2 divisors, whose sum is σ = 30005024. Its totient is φ = 30005022.

The previous prime is 30005011. The next prime is 30005029. The reversal of 30005023 is 32050003.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30005023 - 2⁵ = 30004991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30004994 and 30005012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30005029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15002511 + 15002512.

It is an arithmetic number, because the mean of its divisors is an integer number (15002512).

Almost surely, 2^30005023 is an apocalyptic number.

30005023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30005023 is an equidigital number, since it uses as much as digits as its factorization.

30005023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 13.

The square root of 30005023 is about 5477.6840909275. The cubic root of 30005023 is about 310.7405914375.

Adding to 30005023 its reverse (32050003), we get a palindrome (62055026).

The spelling of 30005023 in words is "thirty million, five thousand, twenty-three".