30693023 has 2 divisors, whose sum is σ = 30693024. Its totient is φ = 30693022.

The previous prime is 30693011. The next prime is 30693059. The reversal of 30693023 is 32039603.

It is a weak prime.

It is an emirp because it is prime and its reverse (32039603) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30693023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30692983 and 30693001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30693083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15346511 + 15346512.

It is an arithmetic number, because the mean of its divisors is an integer number (15346512).

Almost surely, 2^30693023 is an apocalyptic number.

30693023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30693023 is an equidigital number, since it uses as much as digits as its factorization.

30693023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 26.

The square root of 30693023 is about 5540.1284281143. The cubic root of 30693023 is about 313.0977078960.

The spelling of 30693023 in words is "thirty million, six hundred ninety-three thousand, twenty-three".