30045423 has 4 divisors (see below), whose sum is σ = 40060568. Its totient is φ = 20030280.

The previous prime is 30045391. The next prime is 30045467. The reversal of 30045423 is 32454003.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 30045423 - 2⁵ = 30045391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30045423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30045473) 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, 5007568 + ... + 5007573.

It is an arithmetic number, because the mean of its divisors is an integer number (10015142).

Almost surely, 2^30045423 is an apocalyptic number.

30045423 is a deficient number, since it is larger than the sum of its proper divisors (10015145).

30045423 is a wasteful number, since it uses less digits than its factorization.

30045423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10015144.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30045423 is about 5481.3705402937. The cubic root of 30045423 is about 310.8799935384.

Adding to 30045423 its reverse (32454003), we get a palindrome (62499426).

The spelling of 30045423 in words is "thirty million, forty-five thousand, four hundred twenty-three".