30402023 has 2 divisors, whose sum is σ = 30402024. Its totient is φ = 30402022.

The previous prime is 30402013. The next prime is 30402077. The reversal of 30402023 is 32020403.

It is a weak prime.

It is an emirp because it is prime and its reverse (32020403) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30402023 - 2¹⁰ = 30400999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30401989 and 30402007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30402013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15201011 + 15201012.

It is an arithmetic number, because the mean of its divisors is an integer number (15201012).

Almost surely, 2^30402023 is an apocalyptic number.

30402023 is a deficient number, since it is larger than the sum of its proper divisors (1).

30402023 is an equidigital number, since it uses as much as digits as its factorization.

30402023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 30402023 is about 5513.8029525909. The cubic root of 30402023 is about 312.1050729547.

Adding to 30402023 its reverse (32020403), we get a palindrome (62422426).

The spelling of 30402023 in words is "thirty million, four hundred two thousand, twenty-three".