30342023 has 4 divisors (see below), whose sum is σ = 30914568. Its totient is φ = 29769480.

The previous prime is 30342017. The next prime is 30342041. The reversal of 30342023 is 32024303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32024303 = 23 ⋅1392361.

It is a cyclic number.

It is not a de Polignac number, because 30342023 - 2¹⁸ = 30079879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30341992 and 30342010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30342043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286193 + ... + 286298.

It is an arithmetic number, because the mean of its divisors is an integer number (7728642).

Almost surely, 2^30342023 is an apocalyptic number.

30342023 is a deficient number, since it is larger than the sum of its proper divisors (572545).

30342023 is an equidigital number, since it uses as much as digits as its factorization.

30342023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572544.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 30342023 is about 5508.3593746233. The cubic root of 30342023 is about 311.8996191156.

Adding to 30342023 its reverse (32024303), we get a palindrome (62366326).

The spelling of 30342023 in words is "thirty million, three hundred forty-two thousand, twenty-three".