30823065 has 96 divisors (see below), whose sum is σ = 68163840. Its totient is φ = 12939264.

The previous prime is 30823063. The next prime is 30823081. The reversal of 30823065 is 56032803.

It is not a de Polignac number, because 30823065 - 2¹ = 30823063 is a prime.

It is a super-2 number, since 2×30823065² = 1900122671988450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (30823061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 159609 + ... + 159801.

It is an arithmetic number, because the mean of its divisors is an integer number (710040).

Almost surely, 2^30823065 is an apocalyptic number.

30823065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30823065 is an abundant number, since it is smaller than the sum of its proper divisors (37340775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30823065 is a wasteful number, since it uses less digits than its factorization.

30823065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 30823065 is about 5551.8523935710. The cubic root of 30823065 is about 313.5392684494.

Adding to 30823065 its reverse (56032803), we get a palindrome (86855868).

The spelling of 30823065 in words is "thirty million, eight hundred twenty-three thousand, sixty-five".