30020023403 has 4 divisors (see below), whose sum is σ = 30022513848. Its totient is φ = 30017532960.

The previous prime is 30020023387. The next prime is 30020023421. The reversal of 30020023403 is 30432002003.

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

It is a cyclic number.

It is not a de Polignac number, because 30020023403 - 2⁴ = 30020023387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30020023433) 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, 1227053 + ... + 1251278.

It is an arithmetic number, because the mean of its divisors is an integer number (7505628462).

Almost surely, 2^30020023403 is an apocalyptic number.

30020023403 is a deficient number, since it is larger than the sum of its proper divisors (2490445).

30020023403 is a wasteful number, since it uses less digits than its factorization.

30020023403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490444.

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

Adding to 30020023403 its reverse (30432002003), we get a palindrome (60452025406).

The spelling of 30020023403 in words is "thirty billion, twenty million, twenty-three thousand, four hundred three".