30103423 has 4 divisors (see below), whose sum is σ = 34403920. Its totient is φ = 25802928.

The previous prime is 30103399. The next prime is 30103427. The reversal of 30103423 is 32430103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32430103 = 3767 ⋅8609.

It is a cyclic number.

It is not a de Polignac number, because 30103423 - 2⁹ = 30102911 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30103397 and 30103406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30103427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2150238 + ... + 2150251.

It is an arithmetic number, because the mean of its divisors is an integer number (8600980).

Almost surely, 2^30103423 is an apocalyptic number.

30103423 is a deficient number, since it is larger than the sum of its proper divisors (4300497).

30103423 is an equidigital number, since it uses as much as digits as its factorization.

30103423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4300496.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30103423 is about 5486.6586370942. The cubic root of 30103423 is about 311.0799069563.

Adding to 30103423 its reverse (32430103), we get a palindrome (62533526).

The spelling of 30103423 in words is "thirty million, one hundred three thousand, four hundred twenty-three".