30802023 has 12 divisors (see below), whose sum is σ = 50847888. Its totient is φ = 17601120.

The previous prime is 30802007. The next prime is 30802027. The reversal of 30802023 is 32020803.

It is not a de Polignac number, because 30802023 - 2⁴ = 30802007 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30801987 and 30802005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30802027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244398 + ... + 244523.

It is an arithmetic number, because the mean of its divisors is an integer number (4237324).

Almost surely, 2^30802023 is an apocalyptic number.

30802023 is a deficient number, since it is larger than the sum of its proper divisors (20045865).

30802023 is a wasteful number, since it uses less digits than its factorization.

30802023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488934 (or 488931 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30802023 is about 5549.9570268607. The cubic root of 30802023 is about 313.4679041949.

Adding to 30802023 its reverse (32020803), we get a palindrome (62822826).

The spelling of 30802023 in words is "thirty million, eight hundred two thousand, twenty-three".