30023005 has 4 divisors (see below), whose sum is σ = 36027612. Its totient is φ = 24018400.

The previous prime is 30022999. The next prime is 30023017. The reversal of 30023005 is 50032003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4186116 + 25836889 = 2046^2 + 5083^2 .

It is not a de Polignac number, because 30023005 - 2²¹ = 27925853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002296 + ... + 3002305.

It is an arithmetic number, because the mean of its divisors is an integer number (9006903).

Almost surely, 2^30023005 is an apocalyptic number.

It is an amenable number.

30023005 is a deficient number, since it is larger than the sum of its proper divisors (6004607).

30023005 is an equidigital number, since it uses as much as digits as its factorization.

30023005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6004606.

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

The square root of 30023005 is about 5479.3252321796. The cubic root of 30023005 is about 310.8026546176.

Adding to 30023005 its reverse (50032003), we get a palindrome (80055008).

The spelling of 30023005 in words is "thirty million, twenty-three thousand, five".